Hands stay clean after you perform the paint work, if you wear them pre-plastic bags. One-time use of such gloves excludes the operation of subsequent purification of dyes, as is usually the case with rubber.
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SOFT TWEEZERS
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...
GLUE IS NOT REQUIRED
If split screwdriver handle, new best done of vinyl plastic or plexiglass. Drill a hole in the plastic, whose diameter is half a millimeter smaller than that of the rod. Then secure the...
