What are the safety precautions you have to take when handling lead?
Have a look at the link below about fire extinguishers and types of fires and what type of extinguishers needed to put out different fires ok.
Dr. Beverly Crusher left the Enterprise for a year to fill the head position at Starfleet Medical. She was replaced by Dr. Katherine Pulaski.In the real world, Gates McFadden left the show apparently because of some disagreement between her and the producers. She was however persuaded to come back for subsequent seasons. Her child, according to this article, was actually born during the fourth season, and while she did miss some episodes, she was not replaced by another character.
What do you make of the fire alarm going off at the Jets hotel? FIRE!!!!!
