Welcome to European Tribune. It's gone a bit quiet around here these days, but it's still going.
Why do they need larger arm then? Just to spray water from further away?

I heard they are going to use dust absorbing powders to clean the air, and then work with concrete. Water contamination will remain a problem though.

by das monde on Fri Apr 1st, 2011 at 03:24:45 AM EST
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