Suddenly, in the cramped boiler room, a pressure-relief valve opens and discharges steam. Then, a certified technician approaches to perform a routine check. But, is he wearing his factory mask?
Factory Mask
1 mins
|
Animation
|
Jan. 1, 2002
Suddenly, in the cramped boiler room, a pressure-relief valve opens and discharges steam. Then, a certified technician approaches to perform a routine check. But, is he wearing his factory mask?
