_:b57018616 _:b57018617 . _:b57018614 . _:b57018617 . _:b57018617 "PE fluid" . _:b57018615 "C0005889" . _:b57018614 . _:b57018614 _:b57018616 . _:b57018614 "0.87"^^ . _:b57018616 . _:b57018615 "T031" . _:b57018614 . _:b57018614 _:b57018615 .