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
BLASTER AQUANAUT
About ten years ago I read in "M-To" article that described the design of the spear gun. Decided using the same principle — a spring as a battery, to make the gun more simple, easy, and...
FOUR GENERATIONS OF TRUCKS
The legend of the Soviet automobile industry, the truck ZIS-5 takes its origin in the distant 1933, when he was upgraded, his predecessor, AMO-3. Then upgraded powerplant, increasing...
