How to Light a Lamp with a Potato
A common experience for school-age children who teaches about electricity, stress, and energy is the "energized potato lamp" scenario. Using a normal potato and some metal elements, a low voltage bulb...
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How to Exchange Tubular Fluorescent Lamps Easily and Safely
Do you know when it is time to change tubular fluorescent lamps and how to change them? When the bulb starts flashing or when it ends turn black, it is time...
How to Remove the Cover of a Fluorescent Lamp Fixture
Fluorescent light fixtures are covered by a diffuser to reduce glare. This cover must be removed before replacing the lamp or installing a new reactor. The hardest part of removing...
How to Remove Rust from Metal Quickly
A few days ago I visited an antique market and I brought a metal grinder to restore it. The mill was quite rusty so, after looking for different solutions to...