Jai Hind,
about this video,

To kaise hain aaplog. Oil, air ya hydro test karne ke liye pressure Gauge use kaise karte hain ya pressure Gauge ko kaise padha jata ye sara ies video me jankari Diya hai. pressure Gauge me psi , kpa , bar, aur kg/cm2 kya hota hai. psi ko bar me ya kpa ko kg/cm2 me kaise badla jata hai.










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#pressure
#pressuregauge
#oilpressuretest
#psi

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