A maara nke ọma na Hastlow c22 \ / C276 nwere ezigbo usoro, nguzogide, mgbanwe siri ike, ike dị elu, ike dị elu, ike dị elu, ike tensile na njiri mara. Ke adianade do, ndi na-eguzogide ya na-eguzogide iyi iyi na ikuku ikuku na gburugburu ebe di elu. Ọnọdụ gburugburu ndị a Fasteners na-egosipụta nguzogide na-egosipụta usoro mgbasa ozi, na -ebelata mgbasa ozi, gburugburu ebe a na-egwugharị. Ha na-eguzogide ọgwụgwụ na kemịkal acid, chlorine, sọlfọ, acetic acid, orò osisi, na simphorus, wdg.