Subject
- Ethylcellulose13
- Cleaning compounds11
- Varnish and varnishing11
- Gunpowder10
- Mineral industries10
- Mines and mineral resources10
- Cattle9
- Gunpowder industry9
- Insects9
- Livestock9
- Pesticides9
- Pesticides industry9
- World War (1939-1945)9
- Cotton--Diseases and pests8
- Varnish industry8
- Cotton7
- Foundries7
- Insecticides--Toxicology7
- Rosin oil7
- Textile chemicals7