摘要: |
It's easier to warm up than to cool off, especially if you're toiling in a broiling shop. And when summer sends the temperature and humidity soaring, your productivity can take a nose-dive. When things get that hot and heavy, you might long to be an old-time mechanic working under the proverbial shade tree. A leafy canopy tall enough to cast a shadow over your work area would be lovely, but trees don't grow overnight, and they don't force cool breezes indoors. High-school physics tells us it's not about blowing air around anyway. |