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
LED BY THE SUN
It would seem that there is nothing complicated in the design of a bicycle driven by the energy of the sun: install a solar battery of the required capacity and a simple electric motor -...
NOT AFRAID OF SPLINTERS
The burned out bulb is often so "strong liking" in the cartridge that could burst when twisting from the attached effort. However, the fragments do not scatter and don't have to collect,...
