Sentences with phrase «draglines used»

Ankney worked in the Montana coal industry for over 30 years, arriving in Colstrip in the early 1980s to build the massive draglines used at the mine.

Not exact matches

For example, what math was used to calculate the capability of dragline silk from an orb weaver spider that is lighter than cotton, yet ounce for ounce stronger than steel, tougher than kevlar (used in bullet - proof vests), that if the silk were 0.4 inch thick with strands 1.6 inches apart and enlarged the size of a football field, could stop a jumbo jet in flight, that is flying at an average speed of about 600 mph?

The lab is working with silk that the spider uses for draglines (dropping off into space) and the long segments of its web.

Quite unexpectedly, the researchers found that females had no interest in the draglines that males produced, nor the silk that they used to wrap nuptial gifts in.

STRONG START Molecular biologists at the University of Wyoming are planning to use the proteins from superstrong dragline silk to build artificial tendons and ligaments.

In order to keep your puppy near you when he is not crated, you can also use baby gates, close doors to bedrooms, use tethers or an indoor dragline and the like to restrict his access to your house and make it easier for you to supervise him.

So — you now should begin to take that dog everywhere with you in the house, using a leash or dragline — that way you will see it when the dog gives any sort of signal that she needs to go, and then you can respond to it verbally and rush with her outside.

Large opencast mines can cover an area of many square kilometres and use very large pieces of equipment, such as draglines, power shovels, large trucks, bucket wheel excavators and conveyors.

BHP is South Australia's biggest power user but uses more power in its Queensland coking coal mines, chiefly because of its electric «draglines» — the huge loaders that move coal and earth.

In the first, peaks are dismantled, descending layer by layer, using explosives and draglines, and the coal harvested.

Mining machine operators will use backhoes, dozers, scrapers, haul or other trucks, graders, front - end loaders, draglines, hydraulic or cable shovels, packers, mine dewatering equipment, equipment transporters, air exhausters, conveyor belts, boom bolters, grease guns, hammers, jacks, and tape measures.

Professional Summary Construction Equipment Operator skilled at maneuvering the heavy machinery used... Operator Forklift Operator Cherry picker operation Construction and mining tractors Dragline excavation Skid