High-tech shoes are making running more efficient – eventually, they could help us run more than 50 per cent faster. David Braun and Amanda Sutrisno at Vanderbilt University in the US, modelled the ...
The RB Series of guide-rail brakes from Nexen Group Inc., Vadnais Heights, Minn. (www.nexengroup.com), is powered by pair of springs nested within each other to hold loads precisely in place on guide ...
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