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A medical assistant at one of the hospitals where the victims were taken said many of the wounded people had been struck by nails and ball-bearings and suffered severe burns.
But if people are firing ball-bearings at cars on the M62 the potential for such stupidity to cause an incredibly serious collision on such a busy road is obvious.
Beaver precision ball-bearing screw actuators are a key part of the system which keeps the wheels tangent to curved or straight track; 2 actuators to each side of the wheel truck.