Is LP gas heavier than air and what safety precautions should be taken when handling it?

Yes, LP gas is heavier than air. When handling LP gas, safety precautions should include storing it in well-ventilated areas, keeping it away from sources of ignition, using proper equipment for handling and transferring, and ensuring that all connections are secure to prevent leaks. It is also important to have a fire extinguisher nearby and to be familiar with emergency procedures in case of a leak or accident.