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Preparation of stethoscope with paper cup and plastic tube

Answer»

You NEED:PLASTIC tube,paper cup,aluminium foil,tape,glue
Make hole in the bottom of the cup and cut outa circle about the same SIZE as the size of the plastic tube.  tear off a piece of  aluminum foil and ROLL it AROUND the tube,taping it down at the ends.Fit the plastic  tube into thehole at the bottom of the paper cup, and reinforce it with some glue.

your stesthoscope is ready



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