Gẹgẹbi nkan pataki ti ohun elo aabo aabo, awọn apa aabo apa ṣe ipa bọtini ni ọpọlọpọ awọn oju iṣẹlẹ iṣẹ. Nipa ipese awọn aabo pupọ gẹgẹbi gige gige, resistance abrasion, irọrun ati isunmi, o le daabobo iwaju tabi gbogbo apa lati ipalara, gbigba wa laaye lati ṣe awọn iṣẹ ṣiṣe lọpọlọpọ pẹlu ifọkanbalẹ nla ti ọkan.