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A spark plug works by taking a small electrical charge from the ignition coil and passing it through two electrodes. The difference in the charge at each of those electrode points creates...
Threads are a remarkably efficient mechanical device, ideal for connecting pipework. Depending on the material, they can safely transport all manner of fluids and gases while withstanding...
Every home electrician’s tool belt should carry at least one pair of lineman pliers. Used by people in the electrical trade, these tools can cut, straighten, and bend wire as well as twis...
Gas pressure washer models can be much more effective than their electric counterparts on tough stains, cleaning large areas, and heavy-duty tasks like removing exterior paint. Understand...
Gas chainsaws have a reputation: they’re loud and sometimes hard to use. However, we've found that some of the best gas-powered chainsaws prove otherwise. Whether you need a high-powered ...
Although square and triangular drives appeared around 40 years earlier, it was William G. Allen’s hex drive, introduced in 1909, that became popular. Today, Allen fasteners are found ever...
Stroll down the power tool aisle at the hardware store and you’ll see a variety of drills and drivers that look fairly similar. Don’t be fooled: Each has subtle differences geared to acco...
It often seems there are pliers for every task, but few offer the versatility of the best slip joint pliers. They make a great addition to any DIY or professional tool box. Perhaps becaus...
Many different types of fencing are available, and various methods are used for installation and maintenance. Post and wire fencing remains a favorite, particularly over large areas, beca...
When compared with traditional heating, ventilation, and air conditioning (HVAC) systems that use a furnace for heat and an air conditioner for cooling, heat pumps can offer significant e...
