Discuss with the students the need to determine the type of metal an object is made of before being able to judge its attraction to a magnet.
(an object; is made; of; T:before being able to judge its attraction to a magnet) (an object; before being; able to judge its attraction to a magnet)
an object an object
is made before being
of T:before being able to judge its attraction to a magnet
able to judge its attraction to a magnet