
Plastic body ball point pen is often broken, especially at the tip, near the writing unit. Operational offer a way out: to tighten tight the rod in a paper tube, taped the edge of the strand. This “ball” will serve to securely purchase the new.
N. ALIKIN, St. P etersburg
Recommend to read
VENEER WITH YOUR HANDS
Often the lessons of labor in school, in the classroom model of circles on the stations and in clubs of young technicians, there is a need in this very scarce material, like veneer. You...
CLIP IN ONE MOVEMENT
Jigsaw is perhaps the most popular tool in the home workshop craftsmen, and in the laboratory modeller. Meanwhile, its design has remained unchanged for decades, but this does not mean...