A power Tool is a tool that is actuated by a electric power source and mechanism.Power tools are used in industry, in construction, in the garden, for housework tasks and around the house for purposes of driving (fasteners), drilling, cutting, shaping, sanding, grinding, polishing, painting and more.The most common types of power tools included Electric Hand Drill,electric Impact Drill,hand Cutting Machine,electric wrench,angle grinder etc.
Power tools are classified as either stationary or portable, where portable means hand-held. Portable power tools have obvious advantages in mobility. Stationary power tools, however, often have advantages in speed and precision.
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Centrifugal pump operating procedures: 1, in strict compliance with safety regulations and handing over system, non-non-Secretary non-pumping operator control equipment to prevent accidents. 2, the operation is strictly prohibited wipe equipment, all kinds of tools and other items, are not allowed on the pump and motor. 3, found that anomalies and failures, immediately reported classes (group), agreed to take measures; special circumstances may be the first to take measures after the report. 4, in case of power outage, should cut power segment; case of thunderstorm, suspended operation. 5, self-priming centrifugal pumps and pipe pumps before the first start to pump, after use do not have to pump.