The one who often have to use a vise knows that the most difficult thing is to hold them a wedge-shaped or cone detail: when processing it loosened and slips out. However, if you apply a semi-cylindrical auxiliary plate, the problem will be solved: surface it is firmly pressed against the cheek of the wedge or cone, and its spherical surface are well dock with a sponge — holder in the vise will be reliable.
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DISTURBER
The electric signal amplitude decreases rapidly — within 2-4 s after pinch the strings, it accounts for only 20-30% of the maximum level. At the same time changing the tone color of the...
FOOT IN AID
To remove or hang on the door hinges alone — for many, this becomes an intractable problem. Make the device shown in the figure, and the case will move forward.
