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Table 2 Hazard grades of included occupations for each hazard and overall

From: Occupational disease predictors in the nickel pyrometallurgical production: a prospective cohort observation

Workplace (occupation)

Chemicals

Low fibrogenic aerosols

Whole body vibration

Hand-armvibration

Noise

Labor severity

Labor intensity

Cooling microclimate

Overall

Smelter

3.4

3.3–3.4

2-3.1

3.1–3.2

3.2

3.2

2

3.3

3.4-4

Metalworker

3.3

3.3

2

2

3.1

3.2

2

3.1

3.3–3.4

Electrician

3.3

3.2–3.3

2

2

3.1

3.1

2

3.1

3.3

Crane operator

3.3

3.3

2

2

3.1

3.1

3.1

2

3.3–3.4

Burner

3.4

3.4

2-3.2

2

3.2

3.1

2

3.1

3.4-4

Welder

3.2

3.1

2

2

3.2

3.1

2

3.1

3.3

Metal cleaner

3.2

3.2

2

2

3.2

3.1

2

3.1

3.3

Foreman

3.2–3.3

3.1

2

2

3.1–3.2

2

3.1

3.1

3.2–3.3

Rigger

3.2–3.3

3.1

2

2

3.2

3.1–3.2

3.1

3.1

3.3

Crusher operator

3.3

3.3-4

2

2

3.2–3.3

3.1

2

3.1

3.3-4

Batcher

3.3

3.2–3.3

2

2

3.2

3.1

2

3.1

3.3

Gas purification operator

3.3

3.2

2

2

3.2

3.1

2

3.1

3.3–3.4

Converter operator

3.3-4

3.3

2

2-3.1

3.1

3.2

2

3.3

3.3-4

Flotation operator

3.3

3.1

2

2

3.2

3.1

2

3.2

3.3

Mill operator

3.2–3.3

3.3

2

2

3.2

3.1

2

3.1

3.3–3.4