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
IN THE SKY — “ALBATROSS”
To create a device is simple, inexpensive to perform and at the same time with high performance — such is the aim of gliders. We offer our readers the description is very promising...
THE CREATOR OF THE UNDERWATER “CHARIOTS”
Boats Holland, triumphantly marched around the world were not the sole representatives of overseas inventions in the field of underwater shipbuilding. Almost simultaneously, quite...
