Nicely done sir...when capturing images from note book ,you could freeze for few minutes and then proceed further .

Thank you sir ,it's usefull to me👍👍

Thanks for helping

Thankyou you sir ❤

Thank you sir 🎉

Thankyou sir..

Thankyou sir

We want more videos from you sir

Air widge and spectrometer um post pannunga sir

Trial 1 and trial 2 naa? What bro Two times oscillation pannanuma

Calculation sir