Thin-walled tube of soft metal when you try to bend often creased. To avoid this, they are usually pre-stuffed with sand.
With the same purpose, you can use another method: navit on the future site of bend copper or aluminum wire – turns will not allow the tube to wrinkle at the bend.
The same result can be achieved using a suitable inner diameter of the spring.
Recommend to read
THE LINER IN FOTOKOR
The case is a special bag for photographic equipment in the form of a chest (or more precisely - of the box - but it is a very difficult word, easier to say-in the shape of a brick). It...
For Furrows and Pits
Soil cultivation with electric tillers is nothing new. Especially for owners of summer cottages, gardens and vegetable plots (see, for example, “M-K” 3'83, 11'90). And when prices keep...