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What does the word precocious mean in this sentence

Wha is"centrifugal bumble puppy "? why is it important for games to require a complication apparatus? (brave new world)

Which of the following is not a fire safety precaution a; start fires with kindling or other fire starters b: check local regulations and conditions before starting a fire c: clear flammable debris away from fire area d: extinguish all burning embers before leaving