Gas welding:
-
Industrial exhaust fan
-
Small centrifuge
-
Breakdown press
-
Automatic telephone switch
-
Notches, print imprinted in cardboard
-
Robotic assembly line
-
Working machine engine
-
Car factory
-
Working,, Welding transformer, turning on
-
Forklift truck moving away
-
Car factory, hammer knocking, welding
-
Turn off, Air compressor turn on
★★★★★