Carpentry
Trignometry is used to calculate angles in length in carpentry.
to screw in something that needs to be screwed in the wall or anywere !
To screw screws'!
mafanta
There are several uses for a balll screw jack. Ball screw jack assemblies use small balls to roll between the nut and the lifting ball screw. It creates less friction and increases use life.
Carpentry is in wood working
What is carpentry What is the qualification you got to have What are some of the tool you use in carpentry
a hammernand a screw
For tightening and loosening screws.
centrifugal
A vice use a screw to open and close.