Using this HO scale milk reefer model is easy. You can simply place it on your model train track as part of your collection. When handling it, be gentle as it's a fragile brass model. For maintenance, you can use a soft, dry cloth to clean the tarnished parts gently. Avoid using any harsh chemicals as they might damage the model. Store it in a dry place away from direct sunlight to prevent further tarnishing. If you need to move it, hold it firmly but carefully by the body. When shipping it back for a return, make sure to use proper packaging to avoid any damage during transit.