grace dan

Joined: 18/10/2013

Website: https://plus.google.com/112998494815856641224

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grace dan's PowerPoint Presentations

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gracedan

gracedan uploaded a new presentation "LED Bulbs vs. CFL Bulbs vs. Incandescent Bulbs"

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LED Bulbs vs. CFL Bulbs vs. Incandescent Bulbs

Many sites have been doing head-to-head tests of various LED (light-emitting diode) bulbs coming on the market. However, I'm often aske..

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