When performing masonry for good adhesion of the bricks with a solution good the contact surface of the pre – “primed”—to immerse at least for a few seconds in the previously prepared cement milk. GLUKHOV, Saransk
Recommend to read
“DUET” SCOOTERS
This is an interesting and at the same time very simple machine, which we want to tell you today, already mentioned in the ninth issue of our journal in 1974 (see the essay "And we in...
WHO IS FASTER?
Probably you are familiar with simple electrical device for training "the steadiness of the hand" — a metal panel with a narrow winding slot, along which, without touching its edges, it...
