( We ( ( are ( ( searching ( for ( Pyrex ( or ( Quartz Glass ) ) ) ) ) ( to ( be ( used ( as ( ( a ( view port ) ) ( in stoves ) ) ) ) ) ) ) ) . ) )
(ROOT (S (NP (PRP We)) (VP (VBP are) (VP (VBG searching) (PP (IN for) (NP (NNP Pyrex) (CC or) (NNP Quartz) (NNP Glass))) (S (VP (TO to) (VP (VB be) (VP (VBN used) (PP (IN as) (NP (NP (DT a) (NN view) (NN port)) (PP (IN in) (NP (NNS stoves))))))))))) (. .)))
We are searching for Pyrex or Quartz Glass to be used as a view port in stoves.
(ROOT (S (NP (DT The) (NN mineral) (NN quartz)) (VP (VBZ is) (VP (VBN used) (S (VP (TO to) (VP (VB produce) (NP (NN glass))))))) (. .)))