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A pressure washing or power washing is a popular cleaning method using high-pressure mechanical sprayer to remove loose paint, mold, grime, dust, mud, and dirt from surfaces and objects such as buildings, vehicles and concrete surfaces. The basic pressure washer consists of a motor (either electric, internal combustion, pneumatic or hydraulic) that drives a high-pressure water pump, a high-pressure hose and a trigger gun-style switch. Just as a garden hose nozzle is used to increase the velocity of water, a pressure washer creates high pressure and velocity. The pump cannot draw more water from the pipe to which the washer is connected than that source can provide: the water supply must be adequate for the machine connected to it, as water starvation leads to cavitation damage of the pump elements. At extreme high pressure, water is used in many industrial cleaning applications requiring the removal of surface layers and for dust-free cutting of some metals and concrete. For exterior applications, gas or propane powered washers provide greater mobility than electric ones, as they do not require use in proximity to an electrical outlet, but for indoor applications, electric washers produce no exhaust and are much quieter than gas or propane […]

Retail stores accumulate a lot of cardboard from shipping cartons of merchandise stock. Everyday disposal of those cardboards are very important.  If you are a supermarket’s manager, you will definitely know that without removing the empty boxes you cannot make the next step. There are two significant methods to dispose the cardboards: using a horizontal or vertical baler equipment to compress the cardboard and disposing the cardboards into a special designated compactor for dry cardboards. To keep our environment safe, we need to recycle cardboards. Recycling efforts should be very important to the retail industry.