Cracked or cracked riser of the stairs leading to the attic of the country house, it is better to repair immediately, not to dosidate injury for this reason.
If the crack is small, you can just seal this place with a nail or screw to wood gave an additional crack. If the defect is serious – it is better to replace the riser, pre-releasing him from the stairs shown on the drawing.
Recommend to read
THE PROTRACTOR ON THE MACHINE
When machining on milling machines it is frequently necessary to install the item at a certain angle. An original device for this purpose was shown in NTTM-78 military innovators. This...
“HULK”-JEEP
The machine is designed for everyday use and the near and even distant tourist travel not only on asphalt, but off road. The basis, or rather the prototype was an old GAS (UAZ)-69. The...
