Search results
Results from the WOW.Com Content Network
A continuous flight auger drill is used to excavate a hole and concrete is injected through a hollow shaft under pressure as the auger is extracted. Reinforcement is then inserted after the auger is removed. [1] This creates a continuous pile without ever leaving an open hole.
A skid-steer loader with an earth auger attachment. Construction drill auger. Hand-powered earth augers are typically used to plant saplings and trees or to set up posts for fences or other ends. [7] Large mechanized earth augers, called drilling rigs, are used to make holes for piles destined to be deep foundations or retaining wall. [citation ...
In 1937, the Australian-born Thomas Carroll, working for Massey-Harris in Canada, perfected a self-propelled model and in 1940, a lighter-weight model began to be marketed widely by the company. [13] Lyle Yost invented an auger that would lift grain out of a combine in 1947, making unloading grain much easier and further from the combine. [ 14 ]
A 15-mile strip of the Atlantic coast around New York began conducting nightly blackouts to counter German U-boat activity in the region. [32] President Roosevelt gave a fireside chat on economic policy and sacrifice. A Gallup poll indicated that Americans preferred the term World War II for the present conflict. [32]
The Fairmile D motor torpedo boat was a type of British motor torpedo boat (MTB) and motor gunboat (MGB), [1] conceived by entrepreneur Noel Macklin of Fairmile Marine and designed by naval architect Bill Holt for the Royal Navy.
At first glance, it looks like the start of a futuristic dystopian movie, set on a far-off planet. But these are the plans for a state-of-the-art linear city, right here on earth.