During chemical processing of photographic plates and papers usually use medical tweezers (it can be purchased in the pharmacy). However, the notch in the jaws often damage the emulsion layer. To prevent this put in the jaws of the tweezers p polihlorvinilovuju tube with a diameter of 2-3 mm. pre-softened in acetone. After drying, the tube is firmly tight lips.
Recommend to read
THE COMPRESSOR IS ALWAYS HANDY
The compressor unit can be, and is not so necessary equipment in the home workshop craftsman or car enthusiast the garage like a drill or vise. But when such a unit is available, it...
MUCH ADO ABOUT NOTHING
Rotating even a mild wind of utracki-pinwheels are "decoration" of many plots. Their purpose is very utilitarian and the noise of the propeller to drive away from the site of moles and...