Shop

8″ Wide x 4″ High Rigid Plastic Placard w/ 3/8″ Letters Stating “If you intend to go about the 82,630 floor level in the furnace structure, obtain permission from the Control Room before doing so. Never enter this area alone. Combustile gases and a low oxygen atomosphere must be considered present at all times. Caution is always required when at or about the 82,630 floor level. A premanent placard with the same wordkign shall also be installed near the grould level elevator call station.”