9) Operating gas-absorbing equipment

Series
Vocational education training in environmental health sciences volume module 21
Pub. Date
[1981?]
Language
English

13) Preparing data for analysis

Series
Vocational education [sic] training in environmental health sciences volume module 19
Pub. Date
[1981?]
Language
English

15) Using a stereo microscope

Series
Vocational education training in environmental health sciences volume module 22
Pub. Date
[1981?]
Language
English

17) Using air-purifying respirators

Series
Vocational education training in environmental health sciences volume module 9
Pub. Date
[1981?]
Language
English

19) Using detector tubes and pumps

Series
Vocational education training in environmental health sciences volume module 4
Pub. Date
[1981?]
Language
English

20) Using ionizing radiation detectors

Series
Vocational education training in environmental health sciences volume module 11
Pub. Date
[1981?]
Language
English

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