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
ALL ABOUT THE MAP
"you Wrote Pankov Alexey Illarionovich, the leader of the group for karting at the House of pioneers city of Genichesk of the Kherson area. I appeal to you to help me and my kids in the...
SILVER TREE
To create new year's mood does not necessarily set the house a big tree. Moscow designer Marina Vinogradova offers its miniature version: it made their hands soft food foil layers strung...
