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
ON-BOARD NETWORK UNDER CONTROL
I offer a homemade device allows you to control voltage vehicle electrical system. In particular, that's all right — the battery is charged and generates the required 12-14,8 V, the signal...
SIMPLE STEREO AMPLIFIER
The use now many are addicted. Almost PI one radioactive not complete without high quality playback equipment. And the shelves are not empty radiomatinal: the attention of buyers offered...
