Show chanco chance for inventors inventor efficiency engineers view with alarm tile the great amount of valuable material which is wasted was in the tin cans which brim primarily artly contain food products of one kind or another and which find their way to the dump tile the amount of tin represented Is very considerable and should be put to better use consequently there Is a call for something which will be a substitute foe or the tin can the requirements are that the understudy should be light and of cheap production |