( ( ( Mercury 's ) ( ability ( to ( ( ( expand and ) contract ) ( with ( ( even ( slight changes ) ) ( of ( ( temperature and ) pressure ) ) ) ) ) ) ) ) ( ( have ( made ( it ( ( the liquid ) ( of ( choice ( for ( use ( in ( ( ( ( ( ( ( thermometers , ) barometers ) , ) hydrometers ) , ) and ) ( ( other pieces ) ( of equipment ) ) ) ) ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (NP (NNP Mercury) (POS 's)) (NN ability) (S (VP (TO to) (VP (VB expand) (CC and) (VB contract) (PP (IN with) (NP (NP (RB even) (JJ slight) (NNS changes)) (PP (IN of) (NP (NN temperature) (CC and) (NN pressure))))))))) (VP (VBP have) (VP (VBN made) (S (NP (PRP it)) (NP (NP (DT the) (NN liquid)) (PP (IN of) (NP (NP (NN choice)) (PP (IN for) (NP (NP (NN use)) (PP (IN in) (NP (NP (NNS thermometers)) (, ,) (NP (NNS barometers)) (, ,) (NP (NNS hydrometers)) (, ,) (CC and) (NP (NP (JJ other) (NNS pieces)) (PP (IN of) (NP (NN equipment)))))))))))))) (. .)))
Mercury's ability to expand and contract with even slight changes of temperature and pressure have made it the liquid of choice for use in thermometers, barometers, hydrometers, and other pieces of equipment.
(ROOT (S (NP (NP (DT The) (NN liquid)) (PP (IN in) (NP (DT a) (NN thermometer)))) (VP (VP (VBZ expands)) (CC or) (VP (VBZ contracts) (S (VP (TO to) (VP (VB respond) (PP (TO to) (NP (NN heat) (CC or) (NN cold)))))))) (. .)))