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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	Produced by the Ontario Ministry of Agriculture, Food and Rural Affairs S 028 Safe Use of Farm Tractors" 65 slides - audio tape and transcript - 1982 Tractors by far are the most common type of machinery used on a farm.
http://www.w3.org/ns/prov#wasQuotedFrom	nasdonline.org