More specific terms
- NT alternative material
- NT by-product
- NT degradation product
- NT environmentally friendly product
- NT hazardous substance
- NT inflammable substance
- NT intermediate product
- NT material life cycle
- NT mutagenic substance
- NT oxidisable material
- NT recyclability
- NT strength of materials
- NT teratogenic substance
- NT toxic substance
- NT trace material
- NT xenobiotic substance