Inevitably there will remain some risk of incendive discharge and for this reason precautions are also necessary to avoid flammable atmospheres in the area where the blast cleaning is taking place.

不可避免地，喷砂清洗过程中会有一定的可燃性放电危险，因此需要采取预防措以避免喷砂清洗区形成易燃环境。