Ventilation of Development Headings
R. W. THOMPKINS
The two largest contributors to silicosis in machine men are dust from drilling and dust from blasting. With the advent of the shatter-cut method of blasting, the evils of blasting dust were greatly reduced.
Keywords:
Air, air supply, compressed air, dust, exhaust system, venturi, Circuit, Circuits, Drifts, Dust, Pipe, Systems, test, Tests
