( ( ( A device ) ( for ( ( moving ( ( liquid or ) gas ) ) ( by ( ( ( ( decreasing or ) increasing ) ( the pressure ) ) ( on it ) ) ) ) ) ) . )
(ROOT (NP (NP (DT A) (NN device)) (PP (IN for) (S (VP (VBG moving) (NP (NN liquid) (CC or) (NN gas)) (PP (IN by) (S (VP (VBG decreasing) (CC or) (VBG increasing) (NP (DT the) (NN pressure)) (PP (IN on) (NP (PRP it))))))))) (. .)))
A device for moving liquid or gas by decreasing or increasing the pressure on it.
(ROOT (S (SBAR (WHADVP (WRB When)) (S (NP (NP (DT the) (NN solubility)) (PP (IN of) (NP (NP (NNS gases)) (PP (IN in) (NP (NNS liquids)))))) (VP (VBZ changes) (PP (IN with) (NP (VBG increasing) (NN temperature)))))) (, ,) (NP (PRP it)) (VP (VBZ decreases)) (. .)))