IEC 60204-33:2009-Safety of machinery-Electrical equipment of machines-Part 33: Requirements for semiconductor fabrication equipment, IEC 60335-2-68:2012/AMD1:2016-Amendment 1-Household and similar electrical appliances-Safety-Part 2-68: Particular requirements for spray extraction machines, IEC 61800-7-304:2015-Adjustable speed electrical power dr