在厂区或车间，在建筑工地或街头制作防护网的作坊，常常要使用电焊焊接构件，焊接钢筋，焊接其他的材料，而电焊时会产生强光及火花。在工厂、车间或建筑工地，电焊工人会用电焊面罩保护自己的视力和面部，而在旁的人却常会不经意的看几眼强光及进发的电火花，而有一些在... In factories or workshops, workshops for making protective nets on construction sites or on the streets often use welded components, welded steel bars and other materials for welding, which can cause glare and sparks when welding. In factories, workshops, or construction sites, the welders use their welding masks to protect their eyesight and face while those on the sidelines often inadvertently glance at glare and sparks while others are in the ...