For fixing the film during drying, usually use special clothespins or clips. But if these instruments are at hand does not, they will replace ordinary paper clip.
Recommend to read
THE TRUNK GUARD
Krysheval the trunk will be of interest to owners of cars that do not have a garage and have to leave to spend the night steel "horse" under the open sky. Most of them equip their...
NEW OLD COIL RUHMKORFF
Induction coil, in the last century invented Rumkorem, and is now used in experiments in physics. But now it is not fully satisfy the requirements of physical experiment creates...
