Simple machines

mechanical	mechanical is a language of moveables parts Mechanical may refer to	mechanical is something like fixing car's.	Image Link
alter	change in character or composition typically in a comparatively small but significant way.	alter is something that changes	Image Link
multiply	Six simple force-multiplying devices - the simple machines. Lever, pulley, wheel and axle, inclined plane.	making something get bigger like the timetables	image link
increase	car use is increasing at an alarming rate synonyms grow get bigger get larger become greater	when something gets bigger than it's original size	IMAGE LINK
decrease	make or become smaller or fewer in size amount intensity or degree.	Decrease makes something smaller	Image LINK
thread (on a screw)	A screw thread, often shortened to thread, is a helical structure used to convert between rotational and linear movement or force.	A screw is something when a hammer bags that screw into something so the crew can hold what you want to hold up.	thread on a screw link