What is the heimlich maneuver?

What is the name of the device that senses the current flowing, tripping the circut, and cutting off the electricity

Which of these pieces of safety equipment should be worn when operating a chainsaw

What is the main goal of recommended dietary allowances (rdas)? to inspect school cafeterias across the united states to regulate foods sold at supermarkets and farmers' markets to investigate claims of tainted food being served in restaurants to indicate daily nutrient requirements