Awọn owo ti ohun bugbamu-ẹri yipada jẹ isunmọ 20 USD, akọkọ ti a lo ninu awọn ohun elo ti o nilo ailewu, igbẹkẹle, ati irorun ti disassembly.
Awọn iyipada wọnyi jẹ pataki fun ẹrọ ile-iṣẹ ati awọn ọna ṣiṣe nibiti awọn gaasi flammable le wa. Wọn tun jẹ lilo pupọ ni awọn ile-iṣẹ kemikali, gbogboogbo factories, ọkà warehouses, paint or ink manufacturing plants, wood processing facilities, cement factories, dockyards, and sewage treatment plants.