The heat of the kiln causes the salt to melt and form a sodium vapor.
(the salt; to form; a sodium vapor) (The heat of the kiln; causes; the salt to melt and form a sodium vapor) Context(The heat of the kiln causes,List([0, 27))):(the salt; to melt; )
The heat of the kiln causes,List([0, 27))
the salt The heat of the kiln the salt
to form causes to melt
a sodium vapor
the salt to melt and form a sodium vapor