How to get a large round hole in the soft and thin plastic? Instead of drill it is convenient to use an ordinary drawing compass gauge: one of the two legs are sharpened the blade and upon rotation
the device operates as a cutter, carefully cutting a hole of any desired diameter.
Recommend to read
THE BALLOON STILL SERVE
No matter how much ironic humor about the use of out-of-date things in a new way, the soul of samuelidisa will not allow him to throw away what may still be useful in the economy. So...
ETERNAL MICROVENTILATION
The ventilation needs of many suburban buildings. Without it, mold in houses and sheds, get wet cellars and basements, and only use luftblasen, where there is no fan, to put it mildly,...