It is known that in friable material such as drywall or particle Board, the screws holding bad and under load falls. However, it will bind details not worse than a bolt with a nut, if properly prepare the hole for the screw with epoxy. For this purpose the screw is pre-coated with any oily grease (tsiatim, grease, vaseline), and in a hole dug in “epoxy”. Then screwed the screw before final curing of the resin several times to twist as if forming for him the thread.
A. KUZIN, electrical engineer, Ekaterinburg
Recommend to read
THE MILL, WHICH PLOWS
Each year, digging up kitchen with family land on the plot where the tractor was simply not to turn, thought: "I Need a walk-behind tractor-tiller". Of course, you can deny something...
THE FIRE IN THE BARREL
On a country or a plot over time, accumulate debris that owners tend to burn in the fire, that is unsafe in the fire relation. Much better for these purposes to have a special stove,...
