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A digging bar is a long, straight metal bar used for various ... These spuds typically have a wooden or steel handle of length 18 in (0.5 m) to over 6 ft (1.8 m). ...
A crowbar with a curved chisel end to provide a fulcrum for leverage and a goose neck to pull nails. A crowbar, also called a wrecking bar, pry bar or prybar, pinch-bar, or occasionally a prise bar or prisebar, colloquially gooseneck, or pig bar, or in Australia a jemmy, [1] is a lever consisting of a metal bar with a single curved end and flattened points, used to force two objects apart or ...
Digging bar, called a crowbar in the UK and Australia, a straight metal bar used for post hole digging or for leverage; Music. Crowbar (American band), a sludge ...
This was the case with William Lyttle, who started by digging a wine cellar, [6] and Michael Altmann, who excavated a cooling cellar for a café. A Swiss contemporary of Altmann named Peter Junker dug in his garden, searching for water, [7] but continued digging after finding some, excavating a tunnel length of 220 metres (720 ft). [8]
The first successful tunnelling shield was developed by Sir Marc Isambard Brunel to excavate the Thames Tunnel in 1825. However, this was only the invention of the shield concept and did not involve the construction of a complete tunnel boring machine, the digging still having to be accomplished by the then standard excavation methods.
A mattock (/ ˈ m æ t ə k /) is a hand tool used for digging, prying, and chopping. Similar to the pickaxe, it has a long handle and a stout head which combines either a vertical axe blade with a horizontal adze (cutter mattock), or a pick and an adze (pick mattock).
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