Work with a punch will be easier if to make him a simple device consisting of a small block of wood with passed through him hairpin, with a curved end. Using this device, you do not risk to get hammer toes.
Recommend to read
Cold frame greenhouse
In “M-K” No. 8, 1984, we wrote about an arched cold frame built by schoolchildren. Its main load-bearing elements — the half-arches — were made from gymnastic hoops. That circumstance...
Kursk kart
The kart design (Fig. 1) has no complex units requiring high qualifications of performers and can be replicated in technical clubs of schools or at young technicians' stations that have a...
