About: http://webisa.webdatacommons.org/154575355

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	Ladderway floor openings and platforms are normally guarded by a standard guardrail and toe board on all exposed sides, except at the entrance to the opening (see subsection 321(5)).
http://www.w3.org/ns/prov#wasQuotedFrom	alberta.ca