Showing 1 to 2 of 2 results for "efficiency" in all categories

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7,747km (4,842m)
Tru Earth Laundry Detergent Strips — I recently saw a YouTube ad about Tru Earth's laundry detergent strips. These strips replace the big plastic jugs that you'd normally use, and they come in more environmentally friendly packaging. More information can be found at the following website:
1,417km (885m)
REQUEST: Acoustics - bass horn design — I wish to construct huge sound horn for music bass sound spectrum maximum efficiency. i need assistance with design of such horn. I wish to make it part of music experience room / small hall.
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