duck

 
Member Since December 29, 2006 , From Canada
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Answered: What's the average speed of ariel tramways?

I actually had a bet on the subject ! apparently there is a big diversity but most aerial tramways (for 30 people or so ) go in less then 8 m/s, and new model go up to even 12 m/s, it all depend on ...

Answered: Manufacturing in China

I usealibaba it is a very good asian manufacturer directory and search engine.

Answered: why is there such a variety of electrical plugs ...

The reason that there are now over a dozen different styles of plugs and wall outlets is that when European countries adopted 220-240V electricity, for nationalistic reasons they developed their own ...

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