NZS/BS 970.1:1991 - Specification for wrought steels for mechanical and allied engineering purposes - General inspection and testing procedures and specific requirements for carbon, carbon manganese, alloy and stainless steels.
AS/NZS 4024.1201:2014 - Safety of machinery - Part 1201: General principles for design - Risk assessment and risk reduction
ISO 128-24:2014 - Lines on mechanical engineering drawings
BS EN ISO 14119:2013 - Safety of machinery. Interlocking devices associated with guards. Principles for design and selection