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.
A screw jack is just that, a big screw in a base. As the screw is screwed out, it raises whatever it is under. A scissor jack that is in most new cars uses a screw to pull the jack together which causes it to raise up.
A scissor jack uses a fine threaded screw and mechanical advantage to lift a vehicle. A hydraulic jack uses hydraulic fluid, a pump, and a cylinder to lift the car.
A construction crane uses a large hook, or a wrecking ball.
to screw in something that needs to be screwed in the wall or anywere !
To screw screws'!
Geometry has many uses..... For examples construction of pryamids uses geometry... or even in construction of bridges and other enjeenering marvels.....
Construction uses steel wire
state construction of english bonds
mafanta
a hammernand a screw
centrifugal
For tightening and loosening screws.