Igikoresho cyo gukata insinga gifite umurambararo muto gifite uburebure bwa mm 4.5-29

Yagenewe gukuraho ikoti vuba kandi neza PVC, rabara, PE n'ibindi bikoresho by'ikoti, kandi ikora neza ku nsinga zizengurutse zifite umurambararo uri hagati ya 0.18″ na 1.14″ (4.5-29 mm). Iki ni Igikoresho cy'Ibikorwa Bitatu, gikata mu buryo burambuye kugira ngo gikureho impera, gikoreho uruziga kugira ngo gikureho impera n'imirongo yo hagati, kandi gikoreho uruziga kugira ngo gikureho ikoti. Igikoresho cyoroshye kandi cyoroshye gukoresha abakiriya bawe bazakunda.