High-volume, low-speed HVLS fans provide year-round air circulation to create a more comfortable working environment, the company says. The 8- to 24-ft-dia ceiling-mounted fans slowly move up to ...
Lawal Sheriff Olakunle with his solar fan. Living in Lagos, 33-year-old Lawal Sheriff Olakunle is used to electricity shortages. He considers 10–15 hours of electricity a day to be stable power. But ...
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