What is meaning of ERT in safety?

These teams are formed in support of your installations DRF from the existing installation and unit personnel resources to support emergency response operations? How were people affected by the Christchurch disaster? How do you change a three prong smoke alarm to a two prong smoke alarm? When did the flood in Brazil happen? Which is not a class a disaster tornado hurricane earthquake or fire? Why does your smoke alarm start beeping when you use your treadmill? What is the most dangerous fire class? What did the Federal government do for the Red river Flood in 1997 Manitoba? Who called the fire alarm about montag? Is 25cm a lot of rain? What is the hawaiian word for storm? How do you survive in space? Where did the BP oil spill happen? What is the procedure of NFPA for tagging on equipments? 3 types of hazard? Where is the alarm box? Who can activate the National Emergency Alert System? How do you say 'without warning' as in all of a sudden in French? Can a nuclear meltdown like Chernobyl happen again? Which saint is the patron saint of desperate cases?