Show see menace steel rust half half halt half halt hair century loss property abed stray escape everywhere penetrate steel tuna et concrete rust real yet natural life gnat washington philadelphia steel tuberculosis epidemic great millions worth prop inevitable within half loss money life before franklin statute dr 8 cushman Cush department agriculture washington Wash steel tuberculosis dr cushman corrosive iron steel decay electrolysis decay dr cushman cover surface iron steel proof against ibis decay problem present done insure permanent quality vital modem commercial life 80 far zinc found preserve iron wire building material paint babe babe hays bade greet greet gmt problem pigment result arrest rust dr cushman country insure iron rust protect hate already 60 waste metal metal WOO metal WOO wok supply metal become within century create problem ward solution |