Ubushyuhe bwo kugabanya ibimenyetso byerekana ibimenyetso byashizweho kugirango byuzuze ibisabwa kugirango umuntu amenye neza insinga ninsinga, ibikoresho, ama shitingi nibikoresho. Ikozwe muri flame-retardant polyolefin ifite imiterere yihariye, amaboko arashobora kandi gukoreshwa nkumuriro wamashanyarazi. Ibimenyetso birahoraho nyuma yo gucapa.