| http://www.w3.org/ns/prov#value | - The mandatory standard that deals with the installation services of window coverings was made on 28 March 2014 and came into effect on 1 January 2015.This page includes information on hazards and how to comply with these national mandatory standards.Australian homes often have blinds, curtains and other window coverings that are manipulated by cords or chains.Corded internal window coverings are w
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