Most Popular Questions about wind

Needle is recentering on start up, but after hitting presser foot bobbin begins to wind then stops and gives the 88...

Tsunami waves are different from wind generated waves. I want to know the difference between these waves?

Nowadays, power crisis is occurred in Pakistan. I want to know that how much Pakistan can generate the wind power....

i have wound main spring. pendulum swings feeely but escape wheel does not move