BG174 & BG 4 Closed circuit SCBA

  Рет қаралды 3,802

gunvant bele - mining classes

gunvant bele - mining classes

Жыл бұрын

Пікірлер: 33
@bhanoosingh
@bhanoosingh Жыл бұрын
sir aapka videos dekh kar pure doubt clear ho jate hi
@bhimaturi
@bhimaturi
Very useful sir ji🙏🙏
@gangadharrajak7335
@gangadharrajak7335
❤❤❤❤❤❤❤❤❤❤
@jitendrakumar4616
@jitendrakumar4616 Жыл бұрын
🎉🎉🎉🎉
@arunkumar-sm7rk
@arunkumar-sm7rk
,🙏🙏🙏
@Hatunique
@Hatunique Жыл бұрын
Compact in effective
@princesingh1848
@princesingh1848 Жыл бұрын
Bahut badhiya sir ji 🙏🙏
@mahendragoswamiminingrolln9467
@mahendragoswamiminingrolln9467 Жыл бұрын
Thank you so much sir ❤️
@jayantkumar5749
@jayantkumar5749 Жыл бұрын
Thank you sir
@jitendrakumar4616
@jitendrakumar4616 Жыл бұрын
Gd nit sir
@EKarthikeyan-md6vu
@EKarthikeyan-md6vu Жыл бұрын
what is negative pressure SCBA sir?
@PawanKumar-vd9ks
@PawanKumar-vd9ks Жыл бұрын
Flow rate of oxygen vary 1.4 to 1.7 litres/minute
@deepakbesra695
@deepakbesra695
BG means sir=Blasting Gallery!!??
@AnujKumar-xo8gv
@AnujKumar-xo8gv Жыл бұрын
Sir ye BG174 close circuit scba h...ya dono h..close or open
@AnujKumar-xo8gv
@AnujKumar-xo8gv Жыл бұрын
Clear n huaaa thoda clear kr dijiye
@anilm8716
@anilm8716
Sir answer batadijie
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