Question

Which device allows part of a machine to tum smoothly ​

Answer 1

Answer:

ram.

Explanation:

Mark me as the brainliest.

Answer 2

Answer:

Optical fiber welding machine for communications engineering personnel, is to use one of the important equipment of a day. As the saying goes, a good horse matchs good saddle, a handy device allows you to work every day is full of joy. Stable performance, smooth speed, the lowest loss is crucial