Sentences with phrase «as draglines»

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.

Not exact matches

Researchers had already identified two genes for the class of silk known as major ampullate, which forms the superstrong dragline threads that anchor webs and are the inspiration for a major effort to make spider silk commercially (see p. 293).

Webless wandering species such as the hunting spider (Pisaura mirabilis) often depend on so - called draglines which hang, for example, from branches.

This grotesque «mountaintop removal» method slices off summits with explosives, bulldozers, and enormous dragline excavators as tall as an eight - story building.

The parking brake dragline will slightly increase in length due to the continuous usage as it is made of metal wires which may stretch.

Resumes in this field showcase such responsibilities as organizing and analyzing dragline production statistics to ensure that machines were being operated efficiently; producing weekly, monthly, and yearly dragline and auxiliary equipment mining plans; and managing projects involving removal and remediation of contaminated material, preventative measures for fuel spills, and the installation of safety devices on site.