digging line

digging line

[′dig·iŋ ‚līn]
(mechanical engineering)
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References in periodicals archive ?
The city's executive board yesterday agreed an implementation certificate with tram promoter Merseytravel, effectively allowing the transport authority to start digging Line One.
On the ground, prison inmates were helping firefighters -- sometimes digging lines to help contain fires, other times preparing meals at command centers, always watched over by guard.
The difficult, dirty work of digging lines by hand and cutting trees clustered along forest roads is happening miles away from the flames of the wildfire.
Busy as ants hurrying orcs were digging, digging lines of deep trenches in a huge ring, just out of bowshot from the walls; and as the trenches were made each was filled with fire, though how it was kindled or fed, by art or devilry, none could see.