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In addition to the basic detection and alarm functions, the current metal detectors provide special functions specially developed by various manufacturers, such as:
Price means the rate at which the merchandise can be bought. A number of factors get excited about determining the price of a product. These include competition, market share, product identity, material costs along with the value customers perceive of a product. In fact cost is also dependant on competitor's products. If the competitors have the same product, then the buying price of something will go down.
1. Safety reversal: All the garage door opener designed with safety reversal feature. The door has two sensors situated six inches over the floor level, each side with the door. When any object like pet, child or some different, call light beam developed by sensor whilst the door is closing, the door stops and reverses. If your opener haven't this safety reversal feature, put it back as soon as possible.
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