Incorrect installation may cause toxic agents to leak into the mask.
Toxic chemicals may leak into mask
outward
Outward
incorrect installation may cause toxic agents to leak into the mask.
incorrect installation may cause toxic agents to leak into the mask
incorrect installation may cause toxic agents to leak into the mask
incorrect instalation may cause toxic agents to leak into the mask
Incorrect installation may cause toxic agents to leak into the mask.
incorrect installation may cause toxic agents to leak into the mask
incorrect installation may cause toxic agents to leakin to the mask.
incorrect installation may cause toxic agents to leak into the mask
Incorrect installation may cause toxic agents to leak into the mask.
Having a reason is doing something that is important. A excuse is making up something to get out of something important.
Nisbisnsk
'Two-holing' a flange means letting the two top holes evenly straddle the centreline of the pipe flange is on. The main reason for doing this is to allow proper alignment of pipework and valves as the bolt holes on valves are configured the same way as described above - two top holes straddling the centreline.