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It is neither fatal nor infectious, but very difficult to manage and extremely expensive to society, i.e. - the widespread medical disorder of chronic back pain.
The Motion + Power Technology Expo takes place September 13-16 in St. Louis. It's going to be a different kind of trade show than most people have ever experienced.
I have a problem with a disc flexible shaft coupling that is used in screw compressors. This coupling is cracked and damaged after a short time, and the changing rate of this coupling is very high — about every 3 months. But as I understand from the machine manual, the coupling replacement may be every 8,000 hours or 12 months...
Bell's Electrically Distributed Anti-Torque (EDAT) is Bell's latest commercial innovation. The EDAT system is composed of four small fans within a tail rotor shroud in an offset two-by-two pattern.