Classification
HYG - Occupational medicine, sports medicine
3
YFF - Industrial safety regulations
2
CXUK - Organic products
1
CXUV - Polymers, dyes
1
HPT - Toxicology
1
TIG - Reliability, safety, quality control
1
UVC - Environmental chemicals, hazardous materials - general aspects
1
UVWD - Effects of hazardous materials at the workplace
1