About: http://webisa.webdatacommons.org/145027446

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	Referring now to the drawings, particularly FIGS. 1-4, joist drilling apparatus 1 includes an elongated electric motor 2 having a vertical rotary shaft (not shown) connected to a right angle drive mechanism 3.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com