Trolley haulage lacks the flexibility of steam or compressed air haulage, and is limited to main lines because the wires must be strung throughout the length of the line.
The latter includes not only the actual excavation of the mineral, but also haulage and hoisting by which it is brought to the surface, timbering and other means of supporting the excavations, and the drainage and ventilation of mines.
Mining laws have proved chiefly serviceable in securing the introduction of efficient ventilation, the use of safety-lamps, and of proper explosives, to lessen the danger from fire-damp and coal-dust in the coal-mines, the inspection of machinery for hoisting and haulage, and prevention of accidents
The Pilbara Heavy Haulage Girls organised an interactive display of heavy vehicles, training and career resources and industry support services for a heavy vehicle careers and road safety expo on September 2
haulage הגייה עם משמעויות, מילים נרדפות, הפכים, תרגומים, משפטים ועוד