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Commons has
media related to
Dragline excavators. Look up
dragline in Wiktionary, the free dictionary. P&H
draglines Bucyrus draglines HEC
draglines...
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transmission channel for male
vibratory courtship signals,
while webs and
draglines provide a
substrate for
female **** pheromones.
Observations of male spiders...
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purchased by
Westinghouse Electric Manufacturing Company. P&H
shovels and
draglines were
originally available with prime-mover
options including a Waukesha...
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confrontations by
using silk
draglines as
territory marks.
Another test
showed that
females can
recognise the
draglines of the most
powerful fighters...
- to 20-25
trains per day.
Draglines are not used to dig coal, but only
strip overburden.
Black Thunder operates six
draglines. Coal is
excavated by power...
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cranes and
draglines that were
small capacity machines as
opposed to Marion's line,
which focused increasingly on high end
strip mining draglines. Osgood...
- of the cab. Big
Muskie -
largest walking dragline "Corby
Ironstone Quarry Memories: The
Giant Walking Draglines".
Rocks By Rail. [1] Quarry; 19
March 2020...
- disaster. 1250-B/W and 1260-W
walking draglines, with
buckets between 33 and 45 cu yd (25 and 34 m3). 5-W
walking dragline, with a 5-cubic-yard (3.8 m3) bucket...
- open-cut and
longwall mines.
Mining at this
scale requires the use of
draglines, trucks, conveyors,
hydraulic jacks, and shearers. The coal
mining industry...
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first dragline excavator. In 1960s the
plant designed and
manufactured draglines with
booms 90–100 m long. Now[when?] more than 200
walking draglines are...
