To hold the centerline on the workpiece will help the device shown in the figure.
Recommend to read
WINTER SKAKUNOK
The elderly with a sense of humor remember the fun of skiing with the snow slopes on primitive boats — maskoobraznym the kruglyashi of frozen in the old city of wet hay. Or noisy slopes...
ON THE BICYCLE FROM THE CAR
Automotive pump, of course, performance bike, but they (if the pump is to the old bike) unequal valves, which eliminates the possibility of replacement. Small adapter to motor valve will...
