blow gas meaning in Hindi

Several fanned their picket signs in an attempt to blow gas and pepper spray back at officers.
There was a time, when he was trying to prove himself earlier in his career, that Martinez might have tried to blow gas his first time out, pitching coach Joe Kerrigan said.
:One thing they always said they'd make in orbit was metal foam-they'd melt aluminium, blow gas through it until it formed a foam, and then chill it so that it solidified in the foamed form.
One key difference is that the 767 engine, because it is bigger, is attached to the wing on a shorter pylon, and when it reverses it blows gas against the wing, not only providing reverse thrust but also spoiling the wing's lift.

noun.