1. I-Hydrogenation catalyst, ilungele ibhondi ephindwe kabini, ibhondi kathathu, i-hydrocarbon enuka kamnandi, i-carbonyl, i-nitrile, ukunciphisa i-nitro
Izinto ezifunxa i-hydrogen ezigqwesileyo
3. Abaxhathisi kuluhlu oluphantsi lokumelana noshishino lombane
4. Imathiriyeli ekrwada ye-potentiometer kunye namanye amacandelo kunye nemathiriyeli yesekethe yefilim eshinyeneyo kushishino lwe-elektroniki