Industrial and manufacturing facilities rely on motors to drive their processes. They are included in preventive maintenance programs because of investments, their critical importance to operations, and the cost of production downtime.
The Sistine Chapel has an interesting history with light. For hundreds of years, it was primarily illuminated by candles, but the smoke left a layer of soot on the artwork, which had to be restored. Preserving Michelangelo’s masterpiece has been of prime concern.