Associated with asthma
- Car paint sprayers – isocyanates
- Electricians – colophony
- Woodworkers
- Rubber and plastic industries
- Bakers – flour dust and enzymes, e.g. amylase
- Working with animals – vets, zoo keepers, laboratory workers – rodent urinary proteins
- Working with agriculture – farmers, fish worker
- Healthcare professionals – latex and diathermy
- Hairdressing – persulphate, henna
- Tea sifters and packers
