Pallet steel cages are the ideal way of moving goods securely around a factory or workplace. To get the best out of your cage, you will need to keep it in good repair. Here are some tips for storing and maintaining your pallet steel cages. Keep them ventilated The biggest problem with storing steel cages is corrosion. If you store them in an area with high humidity, droplets of water will begin to form on the surface of the cage and lead to corrosion and rust.