mechanism of lubrication l thick film lubrication l thin film lubrication l extreme pressure 

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Well explaination❤

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Thanku mam 💝 for this lacture

mam aap really me great ho etna easy or jaldi smja diya topic thank you so much mam

Simplest way of teaching ❤

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Mam I love your teaching skill💖☺️

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Thanks a lot for us mam. Mam it is enough explanation or definition of mechanism to write in any examination?

Amazing mam ❤️ Thank-you so much ❤

Thank uh so much mam ❤

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Thanks 😊

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0:26 👍

TQ ma'am

Ma'am aap jecrc me padhati hai kya

Yaha pe class sun ne nahi aaya hai😂

Ma'am reply jarur dena

Use English during explanation