( ( Units ( of ( ( ( ( kilojoules ( -LRB- ( kJ -RRB- ) ) ) , ) or ) ( thousands ( of joules ) ) ) ) ) ; )
(ROOT (NP (NP (NNS Units)) (PP (IN of) (NP (NP (NP (NNS kilojoules)) (PRN (-LRB- -LRB-) (NP (NN kJ)) (-RRB- -RRB-))) (, ,) (CC or) (NP (NP (NNS thousands)) (PP (IN of) (NP (NNS joules)))))) (: ;)))
Units of kilojoules (kJ), or thousands of joules;
(ROOT (S (NP (NNS Kilojoules)) (VP (VBP are) (ADVP (RB typically)) (VP (VBN used) (S (VP (TO to) (VP (VB measure) (NP (NP (NNP heats)) (PP (IN of) (NP (NN reaction))))))))) (. .)))