1.Ubushobozi buhanitse, imikorere yubukungu hamwe no kuyitaho byoroshye.

2.Ibikoresho byumye byumye vuba mumasegonda 7 bivuze imbaraga nke zisabwa no kuzigama amafaranga.

3.Iyi nziza yumye yamaboko ihuza-gake yumisha bisobanura isuku.

4. Kwakira amazi: irinde ubutaka;

5.Icyuma kitagira umwanda, cyoroshye gusukura, kugirango wirinde kwanduza intoki.

Igishushanyo mbonera cy'ibyuma bitagira umwanda 304 icyuma gishyizwe mubikorwa byo murwego rwohejuru rwo gukoresha inganda, ibibuga byindege, amahoteri, ibitaro, nibindi. no kubungabunga.

6. Kurinda hejuru yubushyuhe no hejuru yubu: Bitewe nubushyuhe burenze hamwe nuburinzi bwinshi.kuri nikel-chromium yo gushyushya insinga hamwe no kurinda ubushyuhe butumizwa mu mahanga, ni byiza gukora.

7.Igishushanyo gishya, cyiza kandi gisanzwe kugirango wuzuze amategeko yubuhanga bwabantu.

8.Ibidukikije Byangiza, birashobora kugabanya ikoreshwa ryimpapuro, bityo rishobora kubika ibiti byinshi no kurengera ibidukikije.