1. Ukoresha umutwe munini w'imbunda cyangwa umwobo munini w'imbunda? Ni byiza ko umwobo w'imbunda muri rusange uba munini kuruta umurambararo w'umubiri w'imbunda kuri mm 0.1-0.2, kandi umutwe w'imbunda ugomba kuba uhuye.
2. Ubwiza bwa rivets blind bugomba gusimbuzwa rivets nshya blind.
Igihe cyo kohereza: Nyakanga-14-2022