_:b57970744 . _:b57970742 . _:b57970744 _:b57970745 . _:b57970742 "0.83"^^ . _:b57970742 . _:b57970743 "T170" . _:b57970745 . _:b57970742 _:b57970744 . _:b57970742 . _:b57970743 "C3245509" . _:b57970745 "contact rate" . _:b57970742 _:b57970743 .