Nkwekọrịta maka iji igwe, plastik, osisi, na mgbidi akọrọ.Ngụkọta ogologo: 225 mm.Kwesịrị ekwesị maka ịkpụ akwa metal (2-8mm).Kwesịrị ekwesị maka ịkpụ osisi ntu, kaadiboodu (10-100mm), plastik (5-175mm), fiberglass mesikwuru plastik (8-50mm).Mbelata kwụ ọtọ maka ọla.