. . . _:vb50771702 _:vb50767947 . _:vb50767579 . _:vb50767579 . _:vb50767579 . _:vb50767947 . _:vb50771700 _:vb50771702 . _:vb50767947 . _:vb50771702 . "Machine for imparting energy to a fluid, causing it to do work, drawing a fluid into itself through an entrance port, and forcing the fluid out through an exhaust port."@en . _:vb50771701 . _:vb50767947 . . _:vb50771701 _:vb50771700 . _:vb50771700 _:vb50767579 . _:vb50767579 . "Pump" . . _:vb50767947 .