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Mixing and blending machine setters, operators, and tenders (O*NET 51-9023.00) set up, operate, or tend machines for mixing or blending materials, weigh and load according to work orders and formulas, monitor batches, sample and record, and stop and escalate anomalies.
Scope: this page covers only O*NET 51-9023.00 (Mixing and Blending Machine Setters, Operators, and Tenders) for career exploration. Actual ingredient preparation, loading, cleaning, and equipment work must follow employer procedures and local regulations.
How to assess: use an entirely fictional work order and formula to check whether you can describe weighing checks, loading and mixing sequences, sampling and recordkeeping, cleaning and handover essentials, and retain verifiable records.
Mixing and blending machine setters, operators, and tenders (O*NET 51-9023.00) set up, operate, or tend machines that mix or blend materials, which may include chemicals, liquids, color pastes, food, or feed. They weigh, load, monitor batches, sample, and record according to work orders and formulas, and stop and escalate when anomalies arise.
Adjacent relationships support career comparisons only. This occupation centers on preparing ingredients according to formulas and tending mixing equipment; industrial machinery mechanics focus on equipment maintenance and repair, packaging and filling machine operators on finished-product packaging, inspectors on quality decisions, and chemical plant operators on process plant operation.
Compare item by item: who prepares and weighs ingredients, who operates and monitors equipment, who makes quality decisions, and who is responsible for shutdown and escalation.
New operators and support personnel
Practice weighing, loading, and recordkeeping using entirely fictional work orders and formulas.
Current operators and tenders
Mainland China has no national occupational wage data with exactly the same scope as O*NET 51-9023.00. Manufacturing average wages can only serve as an industry proxy, not individual wages.
In 2025, average annual wages in manufacturing in mainland China's urban non-private units were 113,594 yuan/year (National Bureau of Statistics definition).
This U.S. occupation, 51-9023.00: 2025 wages and 2025—2035 projections; not starting wages, Chinese wages, or individual guarantees.
2025 wages: 10th percentile annual wage 36,790 USD, directly published hourly wage 17.69 USD; 25th percentile annual wage 42,850 USD, directly published hourly wage 20.60 USD; 50th percentile annual wage 48,990 USD, directly published hourly wage 23.55 USD; 75th percentile annual wage 59,860 USD, directly published hourly wage 28.78 USD; 90th percentile annual wage 70,200 USD, directly published hourly wage 33.75 USD. Percentiles are statistical positions, not experience stages or take-home earnings.
The following are editorial risk controls supported by this occupation's tasks and work context. They are not accident rates, diagnoses, or operating procedures; follow the applicable jurisdiction, equipment, and employer requirements.
Control and escalate safety, quality, or unresolved anomalies according to actual employer procedures; resume after confirmation by the responsible person.
Official tasks/context provide occupational background. Verify specific safety controls and authorization under local and organizational rules.
No actual job advertisements were collected for this page. The following are editorial capability stages and verification suggestions, not recruitment sample statistics, standardized job levels, or guaranteed timelines.
The U.S. preparation background is generally high school/GED. The several days to one year of training for JobZone1–2 is a group description, not a guaranteed duration for this occupation. Verify training, assessment, and work authorization by actual equipment, materials, and jurisdiction.
U.S. 51-9023.00: 2025—2035 employment 97,300→91,400 people, -6%, net change -5,900 people; average annual openings of 7,900 include growth and replacement needs. This overall projection does not establish AI causation.
United States nationwide; distinguish employment stock, growth, net change, and openings. Causal evidence on generative AI's net job effects has not been obtained.
Work primarily involves weighing ingredients according to work orders and formulas, operating and tending mixing equipment, monitoring batches, sampling and recordkeeping, and cleaning and handover. The O*NET Work Context survey shows that 100% of respondents wear common protective or safety equipment daily, 77% stand continually or almost continually, and 30% work more than 40 hours per week.
This occupation centers on ingredient preparation and mixing processes. Industrial machinery mechanics focus on equipment maintenance and repair, packaging and filling machine operators on finished-product packaging, inspectors on quality decisions, and chemical plant operators on process plant operation. Similar titles do not make duties and safety responsibilities interchangeable.
Look at observable behavior: whether you can accurately weigh and load according to formulas, continually monitor batches and stop equipment when anomalies arise, and maintain truthful records. The RC interest code describes activity preferences only; it cannot determine competence or qualifications.
Who it suits: people willing to operate and tend equipment consistently according to work orders and formulas, continually verify materials and batches, and stop and escalate when anomalies arise.
Note: personality labels and interest codes cannot determine fit or qualifications. Exercises on this page do not authorize equipment operation, hazardous chemical handling, or special operations, and do not use real production data.
Work context (O*NET Work Context survey): 100% of respondents wear common protective or safety equipment daily, 85% are exposed to hazardous conditions daily, 85% face deadline pressure daily, and 77% stand continually or almost continually.
Pace and responsibility: 76% of respondents have extremely high responsibility for others' health and safety, 76% make decisions daily, and 68% consider exactness or accuracy extremely important. Coordination with supervisors, colleagues, and laboratories is often required.
Capabilities and working methods: requires production and processing knowledge, operation and control, process monitoring, and quality control analysis skills, along with the ability to use ERP and office software and keep records according to procedures.
Main outputs: mixed batches meeting specifications, sampling and testing records, operational and production data, and cleaning and handover records.
Key judgments concern whether ingredients and batches meet the formula, whether the mixing process is controlled, and whether abnormal conditions are promptly identified, stopped, and escalated.
Verify Chinese job titles and ingredient preparation and equipment operation authorization by industry, task, and local authority rules.
Compare career directions by materials handled, outputs, safety responsibilities, and qualification requirements. Similar titles do not make duties and safety responsibilities interchangeable.
Difference from packaging or filling equipment operators: they focus on finished-product packaging; this occupation focuses on ingredient preparation and mixing processes.
Packaging equipment operation may be a better match if you prefer finished-product packaging and production line pacing.
Prepare ingredients and monitor according to procedures; immediately stop equipment and escalate anomalies.
Team leaders and process personnel
First establish batch specifications, loading sequences, and shutdown conditions.
Quality and safety personnel
Verify sampling, records, protection, and completion of corrective actions.
In 2025, average annual wages in manufacturing in mainland China's urban private units were 76,055 yuan/year. The two unit categories must not be mixed.
Actual compensation also depends on region, material type (chemicals, food, or feed), shift patterns, and protective requirements. Check actual contracts and local rules.
U.S. 51-9023.00: 2025—2035 employment 97,300→91,400 people, -6%, net change -5,900 people; average annual openings of 7,900 include growth and replacement needs. This overall projection does not establish AI causation.
U.S. employment shares by industry: manufacturing 80%, other sectors including wholesale 20%; not industry wages or demand rates.
Employment levels, growth rates, net changes, and average annual openings must be explained separately and cannot be combined into an individual employment guarantee.
When comparing roles, also verify material types, shift patterns, and protective requirements. Industry and regional differences are substantial; do not extrapolate across regions.
The role requires ingredient accuracy and equipment tending skills. Evidence of fit consists of verifiable ingredient preparation, sampling, and records rather than self-labels. The RC interest code describes activity preferences only.
Exploratory tools
Ingredient preparation, equipment operation, quality, and team coordination personnel.
Wrong materials and ingredient deviations may cause nonconforming batches, rework, and material safety risks.
Entry exercise: use entirely fictional work orders and formulas to complete weighing, loading, and anomaly response exercises, and ask someone to provide feedback against standards.
Work samples and materials: retain de-identified or fictional ingredient preparation records, sampling and testing records, and cleaning and handover records as evidence of operational and quality capabilities.
Trials and interviews: explain how you prepare ingredients according to formulas, monitor batches and take samples, and decide when to stop equipment and escalate. Identify which judgments require confirmation by an authorized person.
Seven-day trial: on days 1—2, become familiar with work orders, formulas, and safety procedures; on days 3—5, complete ingredient preparation and operation exercises under supervision; on days 6—7, ask others to challenge operational and safety judgments and document evidence for continuing, stopping, or changing direction.
Qualification decisions: equipment operation, hazardous chemical handling, and safety training are different statuses. Actual requirements must be checked against employer, equipment, and local rules. Training does not equal authorization to work independently.
Capability progression: before entering this occupation, verify the official occupational scope, actual employer requirements, training, and safety rules. Advancement depends on verifiable operational and quality records, not guaranteed years.
| Field 1 | Field 2 | Field 3 | Field 4 | Field 5 |
|---|---|---|---|---|
| Supervised learning | Participate in ingredient preparation and equipment tending under guidance | Confirm by equipment, training, role, and actual authorization; do not infer authority from months since hiring | Ingredient preparation and operation feedback | Expand to independent operation |
| Common task assessment | Independently complete routine ingredient preparation and operation | Anomalies require shutdown and escalation | Ingredient preparation and records | Expand to multiple machines |
| Complex task collaboration | Take responsibility for batch quality and process adjustments | Process changes require confirmation | Process and quality records | Expand to processes and mentoring |
| Authorized responsibility and mentoring | Lead operating standards and safety inspections | The organization confirms authorization | Standards and safety records | Expand to system responsibilities |
| Authorized standards and review work | Lead standards and mentoring within the authorized scope | Must not replace safety functions | Standards and mentoring records | Expand authorization according to rules |
| Field 1 | Field 2 | Field 3 | Field 4 |
|---|---|---|---|
| Before the interview | Prepare a fictional work order and ingredient plan | Ask others to challenge the basis for ingredient preparation and safety | Ingredient preparation and safety materials |
| During the interview | Explain ingredient preparation, monitoring, and sampling | The interviewer confirms operational and safety reasoning | Operational and safety explanation |
| Supervised learning stage | Complete ingredient preparation and operation tasks under supervision | A mentor reviews operations and safety | Operations and records |
| Job evaluation stage | Independently complete common ingredient preparation tasks and write records | The responsible person confirms contributions and compliance | Records and compliance materials |
| Field 1 | Field 2 | Field 3 | Field 4 | Field 5 | Field 6 | Field 7 |
|---|---|---|---|---|---|---|
| Education | Primarily a high school diploma or GED | Employer | Verify by role | Education does not equal work authorization | Employer | Check role requirements |
| On-the-job training | JobZone1–2 group: several days to one year; specific equipment training and assessment depend on the role, with no guaranteed duration | Employer | Verify by content | Training does not equal independent operation | Employer | Verify training scope |
| Hazardous chemical operations | According to chemical and shift requirements | Employer or relevant authority | Verify according to rules | Requirements do not cover all operations | Relevant authority | Verify applicability |
| Equipment operation authorization | Obtain according to equipment and employer rules | Employer | Verify through authorization procedures | Authorization does not extend across categories | Employer | Verify authorized equipment |
| Safety and protective requirements | Protective equipment and energy control | Employer | Verify according to organizational policies | Requirements do not equal authorization | Employer | Verify applicability |
| Material and batch records | Ingredient preparation and sampling records | Employer or laboratory | Verify according to organizational policies | Records do not equal quality conclusions | Employer | Verify record scope |
2025—2035 projection; no real job advertisements were collected for this page, and no national demand rate is provided.
AI or technology research describes which tasks may be assisted; it does not equal organizational adoption, much less net job changes. People remain responsible for ingredient judgments and safety shutdowns.
Adjacent transitions: moving into packaging equipment operation, inspection, industrial machinery repair, or chemical plant operation requires checking skills, qualifications, and safety requirements individually. Each path requires evidence corresponding to its new outputs and responsibilities.
Ingredient and batch data organization, recordkeeping, and equipment status alerts are more readily assisted. Weighing checks, process judgments, safety shutdowns, and cleaning and handover remain primarily human responsibilities. Available information supports task-level assistance judgments only.
Available information supports task-level assistance judgments only and cannot establish a job elimination timetable. Projected employment change of -1% (2024—2034) reflects combined industry, automation, and other factors, not a replacement timetable.
Qualified operators and responsible personnel must remain accountable for ingredient and weighing checks, mixing process judgments, abnormal shutdowns, hazardous chemical and hazardous energy handling, and record authenticity. These judgments cannot be delegated to tools.
The sources used here do not establish national occupational wages precisely corresponding to O*NET 51-9023.00. Available figures are the National Bureau of Statistics' 2025 manufacturing averages (urban non-private units: 113,594 yuan/year; urban private units: 76,055 yuan/year). These are industry proxies, not this occupation's median wage.
BLS 2025 wage data: median annual wage 48,990 USD (hourly wage 23.55 USD); 10th percentile 36,790 USD, 25th percentile 42,850 USD, 75th percentile 59,860 USD, and 90th percentile 70,200 USD. Employment was approximately 101,100 in 2024, with approximately -1% change projected for 2024—2034.
In the United States, this occupation generally requires a high school diploma or GED and several days to one year of on-the-job training. Mainland China's ingredient preparation and equipment operation requirements depend on relevant authority and employer rules. Training does not equal authorization to work independently.
Main risks arise from exposure to contaminants and hazardous conditions, time pressure, wrong materials and batch deviations, and inadequate equipment guarding or hazardous energy control. This page only practices information consistency and does not authorize equipment operation or hazardous chemical handling.
First compare real tasks and work samples: can you consistently operate precisely according to formulas, accept protective and shift constraints, and stop equipment and escalate anomalies? Judge through verifiable records and feedback rather than a single personality label.
The five 2025 U.S. annual wage percentiles for 51-9023 are correct. Average annual openings of 7900 for 2025—2035 are not a ten-year total. China's manufacturing industry proxy applies only within that industry. Training groups, interests, and AI trials do not authorize equipment or material operations.
Supports only the methods and scope stated on this page; does not measure adoption rates.
FermatMind editorial review
GLOBAL
2026-09-25
editorial synthesis
Editorial synthesis
Supports only the methods and scope stated on this page; does not measure adoption rates.
2026-09-25
Supports only the markets and periods stated on this page; does not extrapolate to individual outcomes.
FermatMind editorial review
JURISDICTION_SPECIFIC
2026-09-25
editorial synthesis
Editorial synthesis
Supports only the markets and periods stated on this page; does not extrapolate to individual outcomes.
2026-09-25
Supports only the scope stated on this page and does not guarantee hiring or income.
FermatMind editorial review
JURISDICTION_SPECIFIC
2026-09-25
editorial synthesis
Editorial synthesis
Supports only the scope stated on this page and does not guarantee hiring or income.
2026-09-25
Industry averages cannot replace exact wages for this occupation.
National Bureau of Statistics
CN
2025 annual wages; published 2026-05-15; retrieved 2026-08-31
official wage statistics
Industry reference
Industry averages cannot replace exact wages for this occupation.
2026-08-31
Does not equal employer hiring or statutory permission.
O*NET Resource Center
US
O*NET current occupation profile; retrieved 2026-08-31
official occupation database
Occupation-specific
Does not equal employer hiring or statutory permission.
2026-08-31
U.S. occupational scope; does not establish Chinese qualifications.
O*NET OnLine
US
O*NET current occupation profile; retrieved 2026-08-31
official occupation profile
Occupation-specific
U.S. occupational scope; does not establish Chinese qualifications.
2026-08-31
Interpret the summary together with the detailed occupational scope.
O*NET OnLine
US
O*NET current occupation profile; retrieved 2026-08-31
official occupation summary
Occupation-specific
Interpret the summary together with the detailed occupational scope.
2026-08-31
Classification proximity does not make authorizations interchangeable.
O*NET Resource Center
US
O*NET current occupation profile; retrieved 2026-08-31
official occupation taxonomy
Occupation-specific
Classification proximity does not make authorizations interchangeable.
2026-08-31
Without figures, supports only unavailability or narrow-scope boundaries.
O*NET OnLine / BLS
US
BLS 2024-2034 projections via O*NET; retrieved 2026-08-31
official employment projection
Occupation-specific
Without figures, supports only unavailability or narrow-scope boundaries.
2026-08-31
Without figures, supports only an unavailability boundary.
O*NET OnLine / BLS
US
BLS 2025 wage data via O*NET; retrieved 2026-08-31
official wage statistics
Occupation-specific
Without figures, supports only an unavailability boundary.
2026-08-31
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official custom occupation profile
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official occupation details
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official technology profile
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official industry distribution
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official certification discovery
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
current page; accessed 2026-09-02
official local training discovery
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02
O*NET OnLine presents BLS OEWS wage data; preserve the displayed period, worker population, geography and unit. A direct BLS access failure does not invalidate this opened O*NET page.
O*NET / U.S. Bureau of Labor Statistics
US
2025 BLS OEWS wage data displayed by O*NET OnLine
O*NET display of BLS OEWS wage data
Occupation-specific
O*NET OnLine presents BLS OEWS wage data; preserve the displayed period, worker population, geography and unit. A direct BLS access failure does not invalidate this opened O*NET page.
2026-09-02
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
O*NET OnLine
US
2025 BLS OEWS wage data displayed by O*NET OnLine
official occupation summary
Occupation-specific
Use only for the stated O*NET occupation, US market and page subject. It does not establish a China mapping, China pay, or legal authorization.
2026-09-02