- Kamere ya latx isanzwe ifite ubuhanga bukomeye, kwihanganira kwambara, kurira amarira, kuramba
- Gutunganya Vulcanisation bituma ubuso bwa gants bugenda neza, ntabwo byoroshye gufatana hamwe
- Igishushanyo cyamaboko kidasanzwe kugirango utezimbere ihumure, Igishushanyo cyihariye cyimikindo kugirango wirinde kunyerera neza, gufata neza, umufasha mwiza wo gusukura igikoni
- Acide na alkali ibidukikije bifite inzitizi nziza, kurinda amaboko imiti
- Icyiza cyimodoka, Kuvugurura ibikoresho, Inganda zikora imiti, gusukura urugo, gukaraba imodoka, gufata neza imashini, akazi ko mu gikari, Aquarium, Laboratwari, Ubuhinzi, nibindi