Voltcraft FP-HP Probe For FM-400

FM - Frequency Modulation - A band used for analog radio transmission

Hammer - A tool used for providing impact to an object such as a nail

Stone - Or Rock is a naturally occuring mineral categorised into three types, Igneous, Sedimentary and Metamorphic

Hp - Horse Power. A measurement of power. The greater the horsepower output, the more energy it produces.

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