Ọja yii gba eto-alapọ-pupọ, pẹlu iṣẹ idena giga to lagbara. Awọn ohun elo ti o wa ni arin apo jẹ ọra. O ni o ni ga fifẹ agbara, sugbon tun ni o ni ti o dara ooru resistance, tutu resistance, epo resistance ati Organic epo resistance, wọ resistance, o tayọ puncture resistance.