Create or Destroy Air

You either create or destroy air. When creating: The bearings rust dispapers as it the oxides becomes oxygen. When destroying: The bearings are rapidly oxidized depliting the air within the barrier. Both cases alter the bearing to such a degree they are broken down into iron dust afterwards.

Create Air. You create up to 30 minutes worth of breathable cool air within range in an container. Alternatively, the air pushes outwards as bubble in a 30-foot sphere within range, all water and aquatic creatures in it are pushed away and the water is repelled for 30 minutes before the bubble collapses (if underwater it will flood back in from all directions).

Destroy Air. You destroy up to 30 minutes worth of air in an open container within range. Alternatively, the air is pushed outwards in a 30-foot sphere within range, all creature sin this area must hold their breath or suffocate in a perfect vacuum, this lasts for 30 minutes before the bubble collapses causes the air to rush back into this space.

At Higher Levels. When you cast this spell using a spell slot of 2nd level or higher, you create or destroy 30 additional minutes of water, or the size of the sphere increases by 5 feet, for each slot level above 1st.