Hand Brake / parking brake in Automobile engineering / hand brake explain / chapter-4 braking system Hello Everyone Welcome To My YouTube Channel @panditupendrastudyclass Iss Video Me Machanical Engineering ke Automobile Engineering Chapter-4 Braking System Topic Definition of hand brake or parking brake ke bare me bataya gya hai agr video sahi lgi hai to channel ko like or subscribe karna na bhule thankyou.................... #upstudyclasses #mechanicalengineering #mechanical_engineering_5th_sem #automobile #automobile_engineering #hand_brake #brakesystem #polytechnic #hand #brakesystem