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How to remove a broken screw

Left hand drill bits, often simply called “screw extractors” are used to remove a broken or damaged screw that cannot be taken out in the conventional manner using a wrench or screw driver. When the head of a bolt becomes rounded through repeated use or it breaks off...

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DC Power Supplies and Their Usage

Direct current power supplies (DC power supplies) distribute electricity that flows in only one direction (as opposed to alternative current, which flows in both directions) and has either a positive or negative charge. Most commonly, direct current electricity is...

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What Does an AC/DC Power Converter Do?

If you find yourself constantly looking for chargers and adapters for the dozens of electrical devices and appliances around your home, you’re probably actually looking for an AC/DC power converter. AC/DC stands for alternating current/direct current and a converter...

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