§ 37.57. Refrigerator doors.

 (a)  Refrigerator doors and jambs shall be covered with rust-resisting metal securely affixed to the doors and jambs.

 (b)  Joints necessary for installation shall be welded, soldered or otherwise effectively sealed.

 (c)  The juncture of the metal covering on jambs and walls shall be sealed with a flexible sealing compound.

 (d)  Doorways through which the product is transferred, either on overhead rails or on hand trucks, shall be sufficiently wide to permit free passage of the largest trucks or the widest suspended products without contact with the jambs.

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