a) Yakozwe muri mudasobwa iramba kandi ibonerana.
b) Shyiramo ukoresheje akabuto ko guhagarika byihutirwa cyangwa ukande kuri screw.
c) Gukoreshwa byoroshye kandi bikarinda abakozi gukora nabi burundu.
d) Ku murambararo w'umwobo wa mm 22-30.
| Igice NO. | Ibisobanuro |
| SBL01-D22 | Uburebure: mm 31.6; umurambararo wo hanze: mm 49.6; umurambararo w'imbere: mm 22 |
| SBL01M-D25 | Uburebure: mm 31.6; umurambararo wo hanze: mm 49.6; umurambararo w'imbere: mm 25 |
| SBL02-D30 | Uburebure: mm 31.6; umurambararo wo hanze: mm 49.6; umurambararo w'imbere: mm 30 |


Gufunga by'amashanyarazi n'iby'umwuka