Combining Cor Van Rij's JFET test socket with two DMMs, a current limiter, switches and a wall wart yield a simple, accurate ...
Soil testing is an essential tool for managing phosphorus, potassium and other nutrients in Iowa and many states. The units ...
Better Homes & Gardens on MSN
Stop Using a Power Strip for These 6 High‑Risk Appliances
Power strips are convenient when you’re short on wall outlets, but there are some things you should never plug into one. Discover what they are here.
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