goggles help protect your eyes beaker tongs help to hold a beaker when it is hot Equal-arm balance used to measure the mass of an object.
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goggles help protect,List([0, 20)) beaker tongs help,List([31, 48))
goggles goggles beaker tongs beaker tongs it
help protect help protect help help help to hold is
your eyes T:beaker tongs help to hold a beaker
protect your eyes beaker tongs help to hold a beaker
to hold a beaker when it is hot Equal-arm balance
a beaker T:when it is hot Equal-arm balance
hot Equal-arm balance used to measure the mass of an object