Subject category K: Materials
This list shows the main terms of subject category K, Materials. Click on a term to browse down to the narrower terms.
- ash
- carbon/nitrogen ratio
- checklists
- chemical elements
- chemicals
- clays
- construction materials
- electricity
- energy
- energy conservation
- energy consumption
- filtration media
- fluorides
- fuels
- local materials
- motors
- organic compounds
- organic matter
- porous pots
- salts
- solar cells
- turbines
- wood fuel demand
- zeolites