About: http://webisa.webdatacommons.org/390049791

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	A screw is a simple machine that provides mechanical advantage by amplifying and converting a small rotational force into a large linear force.
http://www.w3.org/ns/prov#wasQuotedFrom	maplesoft.com