-
included factories in
United States, China, ****an
making above ground rotary blasthole and
deephole drilling machines.
Atlas Copco purchased the
company for...
-
drilled perpendicular, in a
radial pattern around the drive. For the
blastholes to
successfully extract the ore
material they must be able to fire into...
-
insurgent positions. In rock blasting,
sympathetic detonations occur when the
blastholes are
sufficiently close to each other,
usually 24in or less, and especially...
- 1965 and
reported on two
Tolenas springs. The
first issued "from
quarry blasthole. Unused.
Sodium chloride.
Water discharges in a very
thick deposit of...
-
benches in waste, and 5m
benches in ore, with 0.5m of sub-drilling. The
blastholes are 3.5 in. in diameter, and
drilled on a 3m x 2.5m
pattern in Los Santos...
-
highway right of ways, as well as
drilling water wells, oil
wells and
blastholes.
After years of
continued success and
growth with its
drill rigs a new...
-
control plug. "The
device is
designed to help keep
explosive energy in
blastholes when they
detonate and thus more
efficiently break rock and
reduce environmental...
