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Classification of Gears-5
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In this lesson concept of external,internal gears and racks are discussed.

Gaurav Joshi
Mechanical Engineer. Secured AIR 5 in ESE & AIR 47 in GATE. Also cleared BARC,ONGC,ISRO. Worked for BARC, HITACHI.Guitar player & Vocalist

Unacademy user
sir double helical aur herrigbone me difference hota h kya???
Astonishing lecture series 😎
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