1.The waya ahụ na-mere nke PVC gburugburu ebe obibi enyi na enyi roba ihe onwunwe, nke nwere elu siri ike na elasticity, iguzogide ịdọrọ, na bụ ndị ọzọ gburugburu ebe obibi enyi na enyi.
2.Rigorous ule, swing ekwe na ndị ọzọ na-egosi agafewo siri ike na a pụrụ ịdabere na ule, na-emeso ọ bụla nkọwa kpọrọ ihe.
3.The USB roba cores uniformly eji-acha anụnụ anụnụ roba cores, na plọg akụkụ na-agbakwunyere na ika LOGO welie ika si mgbochi-aza ude ude.