( ( If ( they ( 're ( ( ( ground up ) , ) ( ( ( crushed or ) burnt ) ( in incinerators ) ) ) ) ) ) ( , ( they ( ( expose ( elements ( including ( ( lead ( , ( phosphorus ( , ( ( cadmium and ) mercury ) ) ) ) ) ( to ( ( ( the air ) and ) ( our water ) ) ) ) ) ) ) . ) ) ) )
(ROOT (S (SBAR (IN If) (S (NP (PRP they)) (VP (VBP 're) (ADJP (ADJP (VBN ground) (PRT (RP up))) (, ,) (SBAR (S (VP (VBN crushed) (CC or) (VBN burnt) (PP (IN in) (NP (NNS incinerators)))))))))) (, ,) (NP (PRP they)) (VP (VBP expose) (NP (NP (NNS elements)) (PP (VBG including) (NP (NP (NN lead) (, ,) (NN phosphorus) (, ,) (NN cadmium) (CC and) (NN mercury)) (PP (TO to) (NP (NP (DT the) (NN air)) (CC and) (NP (PRP$ our) (NN water)))))))) (. .)))
If they're ground up, crushed or burnt in incinerators, they expose elements including lead, phosphorus, cadmium and mercury to the air and our water.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN phosphorus) (NN element)) (: -) (SBAR (WHNP (WP$ whose) (NN name)) (S (VP (VBZ means) (S (`` ``) (NP (JJ light) (NN bringing)) ('' ''))))) (: -)) (VP (VBD was) (VP (ADVP (RB first)) (VBN isolated))))) (, ,) (NP (NNS scientists)) (VP (VBD noted) (SBAR (IN that) (S (NP (PRP it)) (VP (VP (VBD glowed) (PP (IN in) (NP (DT the) (NN dark)))) (CC and) (VP (VBD burned) (SBAR (WHADVP (WRB when)) (S (VP (VBN exposed) (PP (TO to) (NP (NN air)))))))))))))