LED lights are up to 80% more efficient than traditional lighting such as fluorescent and incandescent lights. 95% of the energy in LEDs is converted into light and only 5% is wasted as heat. This is compared to fluorescent lights which convert 95% of energy to heat and only 5% imore...
We are offering 3-d wooden geometrical model icosahedron-m-76. It has 20 equilateral triangular faces used as tool of education for geometrical construction set. more...