The handmade wooden fan at Etsy features a propeller made of reinforced teak

http://www.bornrich.com/handmade-wooden-fan-etsy-features-propeller-reinforced-teak.html

/ fan propeller reinforced teak /

Tall timbers support 9-storey residential building

Tallest wooden building in the world built, faster, cheaper, more accurately & releasing less carbon dioxide than a cement & steel. Win, win, win, win.

Podcast & transcript at: 

http://www.abc.net.au/rn/scienceshow/stories/2011/3210008.htm