If outdoor air is used to provide combustion air to the appliances, there are two test conditions for the combustion appliance assessment: equipment-off and equipment-on. With the equipment off, verify that the CO level in the zone is below the alarm limit and that there is no natural gas leakage.
Defence Industries Queensland: 1  supports national and international prime contractors to find defence capabilities. 2  helps companies working or wishing to work in defence to up-skill and make connections with defence contractors and suppliers. 3  assists the Australian Defence Force to expand its presence in Queensland.
James Hardie Industries Ltd. is an industrial building materials company headquartered in Ireland and listed on the Australian Securities Exchange which specialises in fibre cement products. James Hardie manufactures and develops technologies, materials and processes for the production of building materials.For over 20 years, Hardie has also operated a research and development facility devoted solely to fibre-cement technology.ames Hardie manufactures and develops technologies, materials and processes for the production of building materials. For over 20 years, Hardie has also operated a research and development facility devoted solely to fibre-cement technology.