A drilling rig is defined as a machine used to dig holes in the ground. In fact, there are two different types of drilling rig: the horizontal and the vertical ones. The vertical one is commonly used to find water resources and dig foundations. On the contrary, the horizontal one tends to be used for underground works (gas and clean-up operations). The main part of the drilling rig is the drill head or manual borehole driver.
A driving rig, also known as pile driver, or pile-driving machine is used to drive piles (poles) into soil to provide foundation support for buildings or other structures. The driving rig was formerly triggered by a group of men, pulling a rope. Nowadays, hydraulic vibrators and hammers are designed as to drive different kinds of piles: wood, steel and concrete piles.
A trencher is a piece of construction equipment used to dig trenches for laying cables or for installing drainage. The wheel trencher enjoys a wide toothed wheel and is more economic and faster, whereas the ladder trencher is often equipped with an excavation conveyor belt. Finally, mini trenchers are dedicated for high-precision operations.
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