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
TEN WINNING “CUBES”
Today we published drawings and a brief technical data model racing class 10 cm3, designed by master of sports Yuri Pankin — the numerous prize-winner of all-Union competition of...
TURN ON… THE WINDOW VENT
On a hot summer day, when the scorching air stands still in the absence of a breeze, neither an open transom nor even a wide-open window brings the desired coolness. It's good when...
