Show daiger sign the national affiliated safety organ new york and chicago havo have designed a metal floor type danger sian which includes three signals thol tho first la Is a red plate with tile the word danger and an arrow pointing upward to give Ny earning arning of overhead janger in tho the second signal the arrow Is covered i by a L red pla plato to lr it there la is no danger the two sections of tile tho sign which are nr hinged at thu the top are folded faco face to face thus displaying display log blank burlo nur lo L |