如何輕鬆搬東西下樓梯? Sliding Boxes Down Stairs

利用木板就輕鬆多了


但易破易碎的東西不要放...

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出處網址
http://mikefigueroa.com/blog/2010/08/advanced-moving-techniques/
Mike Figueroa » Blog Archive » Advanced Moving Techniques

http://www.lifehacker.jp/2010/09/100830uwptemhb.html
Lifehacker(日文)