If spraying application is carried out in a limited place like narrow booth, the operator must wear a ventilated mask with an air compressor for feeding filtrated fresh air.

• 如果喷涂施工是在狭小舱室内等有限空间进行时，必须佩戴通风面罩，以空压机不断送入经过滤处理的新鲜空气，以供操作者呼吸之用。