Ye Zhe:  👋🏻 Harriesh. Just call me if you need my help 🤓.

Pavithran:  Is this frame size 🆗 ?

Zhang Quan:  Look at this 🎣 I designed. Do you want to try it ?

Harriesh:  Still figuring out the best position to mount this electric motor . . .

Kelvin:  Is it 🆗 ? 🤔

Xian Hang:  Using the differential gear for the 1st time . .

You can do it better next time ❗

Pavithran:  Need to add one more pulley here. .

Simple machine - Pulley

No matter where he sits, the place is always 🤫😅