Dara fun awọn oju iṣẹlẹ: alurinmorin, gige, didan, irin, awọn aaye ikole, awọn ẹrọ gbigbe biriki, bbl
Dara fun itọju agbara, ayewo ifiwe, awọn iṣẹ idanileko, itọju ohun elo, gbigbe ati awọn aaye miiran