People may need to systems made of safe material, that do not give off chemicals to which they are sensitive or have an allergy.
Notes
Some examples:
- Contact allergy to nickel
 - Sensitivity to fragrances and perfumes
 
Mappings
| Required ability | Accessibility characteristic | Support needed | 
|---|---|---|
| Tactile | Physical operation | Avoid | 
| Olfactory | Physical operation | Avoid | 
References
Tags
Imported from https://github.com/accessiblecommunity/Digital-Accessibility-Framework/no-chemical-harm.md