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.
The defense, biotech and construction companies that are leading the war effort. From the Tomahawk cruise missile to the B-2 stealth bomber, war is big business. Of course, while government expenditures can seem staggering, the effect on the big defense contractors are muted. Most have commercial aviation businesses that are suffering.