1. A surfactant foaming agent adheres to material through the processing stage and into the stockpiles, continuing to control dust, page 14.

2. If a motor has same frame size, horsepower, and rpm, it can be used in multiple pieces of equipment, page 19.

3. If part of a dredge hull is wearing thin, its life can be extended by welding a scab plate over the thin spot, page 24.