You should not use a sharpened knife or scissors for cutting sandpaper. You only blunted their blades. Easier and more effective to cut the sandpaper with an awl or other sharp object on the underside of the abrasive surface and tear the paper along the planned lines.
Recommend to read
“HULK”-JEEP
The machine is designed for everyday use and the near and even distant tourist travel not only on asphalt, but off road. The basis, or rather the prototype was an old GAS (UAZ)-69. The...
AGAIN, THE COMPRESSOR OF THE REFRIGERATOR
Pets compression refrigerators usually serve more than a dozen years. But there comes a time when they become obsolete: most not physically, but mentally, as technological progress does...
