Inyoga Ibikoresho biranga:
1. Gutanga kugabanuka kwinshi raios intera runaka
2. Igikorwa Cyiza Cyane
3. Ntabwo bishoboka ko uruziga rwambaye inyo gutwara twour keretse ibisabwa
Ihame ryimihango yo gukora:
Ibice bibiri byibikoresho bya inyo hamwe na tworo inyo biri perpendicular kuri mugenzi wawe; Inyo irashobora gufatwa nka helix ifite amenyo imwe (umutwe umwe) cyangwa amenyo menshi (imitwe myinshi) igikomere cya silinderi, kandi ibikoresho byo murugo ni nkibikoresho bya oblique, ariko amenyo yayo afunze inyo. Mugihe cyo kwinjizamo, kuzunguruka kwa inyo bizatwara uruziga rwa inyo kugirango uzenguruke unyuze kuri arthy (inyo imwe nimwe yihuta.