( ( Both tanks ) ( ( were ( ( ( ( ( used ( for ( 5 ( psi ( pressure decreases ) ) ) ) ) , ) ( under ( the ( same ( gas flow ) ) ) ) ) , ) ( to ( ( ( increase ( ( the temperature ) ( of ( the ( same pot ) ) ) ) ) ( with ( ( the ( same volume ) ) ( of water ) ) ) ) ( at ( the ( same ( initial temperature ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (DT Both) (NNS tanks)) (VP (VBD were) (VP (VBN used) (PP (IN for) (NP (CD 5) (NN psi) (NN pressure) (NNS decreases))) (, ,) (PP (IN under) (NP (DT the) (JJ same) (NN gas) (NN flow))) (, ,) (S (VP (TO to) (VP (VB increase) (NP (NP (DT the) (NN temperature)) (PP (IN of) (NP (DT the) (JJ same) (NN pot)))) (PP (IN with) (NP (NP (DT the) (JJ same) (NN volume)) (PP (IN of) (NP (NN water))))) (PP (IN at) (NP (DT the) (JJ same) (JJ initial) (NN temperature)))))))) (. .)))
Both tanks were used for 5 psi pressure decreases, under the same gas flow, to increase the temperature of the same pot with the same volume of water at the same initial temperature.
(ROOT (S (S (VP (VP (VBG Decreasing) (NP (NP (DT the) (NN volume)) (PP (IN of) (NP (DT a) (NN gas))))) (CC and) (VP (VBG keeping) (NP (NP (NN everything)) (NP (RB else) (DT the) (JJ same)))))) (VP (MD will) (VP (VB cause) (NP (PRP$ its) (NN pressure) (S (VP (TO to) (VP (VB increase))))))) (. .)))