Another useful tool, hedge shears look a lot like giant scissors with their long pair of straight blades. Their design lends itself to cutting as much of a plant as possible in one single sweep. When you use hedge shears to trim your bushes, they will create long sharp edges on anything you cut. This makes them perfect for maintaining rectangular-shaped hedges.
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Under the action of the stator, strong and reciprocating hydraulic shearing, friction, centrifugal extrusion, liquid collision and other comprehensive effects are formed in the reasonably narrow gap between the stator and the rotor, and the materials circulate and reciprocate in the container.
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A common application made by float blow molding machines is HDPE floats for photovoltaic (PV) systems. These systems are power generation systems that consist of PV modules mounted on water surfaces by using plastic floating platforms that are lightweight, cost-effective, and which may also vary in size and shape in order to fit the requirements of the manufacturer.
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Because of its light weight, aluminum tubing offers a greater volume of tubing per weight purchased than steel. Many products benefit from the use of a lighter tubing material, particularly those that require a degree of mobility such as wheelchairs and outdoor furniture. Aluminum tubing also does not tarnish, and it is more receptive to paint and other decorations than other metals, enhancing its aesthetic appeal.
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In this type of casting, mould is prepared around an expandable pattern, and a single gating system is used to make a large number of casting. The pattern used to make mold is get destroyed or it completely lost its shape during investment casting. The common pattern material for precision investment casting wax, so this process is also known as lost-wax casting. The other important pattern materials used in investment casting are plastic, wood, and mercury. When mercury is used to make a pattern then the process is known as mercast.http://www.disoncasting.com/marine-hardware/