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The ratchet pruner, which can handle stems thicker than two centimetres, fits in this category. Because they make a clean cut without crushing, bypass pruners are preferable for pruning live wood. [2] Parrot-beak pruners consist of two concave passing blades, which trap the stem between them to make the cut. These are suitable only for narrower ...
Puerto Rico Highway 131 (PR-131) is a road located in Adjuntas, Puerto Rico. [3] It begins at its intersection with PR-135 in Barrio Yayales and ends at Guilarte Forest near Peñuelas municipal limit. Its segment between PR-525 and PR-518 is part of the Ruta Panorámica. [4] [5] Puerto Rico Highway 131 in the Guilarte State Forest, looking south
Additionally in forestry, pole pruners and pole saws are commonly used and these are often attached to poles that reach up to 5-6 m, this is a more efficient way of pruning than with ladders. These bush saws on polls have also been motorized as chainsaws which is even more efficient. Older technology used Billhooks, Kaiser blades and pruning ...
Telescoping in mechanics describes the movement of one part sliding out from another, lengthening an object (such as a telescope or the lift arm of an aerial work platform) from its rest state. [1] In modern equipment this can be achieved by a hydraulics , but pulleys are generally used for simpler designs such as extendable ladders and amateur ...
Telegraph pole with spars, insulators and open wires on a now decommissioned Railway Pole Route, Eccles Road, Norfolk, United Kingdom. A pole route (or pole line in the US) is a telephone link or electrical power line between two or more locations by way of multiple uninsulated wires suspended between wooden utility poles. This method of link ...
Structures for overhead lines take a variety of shapes depending on the type of line. Structures may be as simple as wood poles directly set in the earth, carrying one or more cross-arm beams to support conductors, or "armless" construction with conductors supported on insulators attached to the side of the pole. Tubular steel poles are ...