All good hard portfolio of type “diplomat”, but he has one disadvantage — poor resistance. It falls down when it is put on carelessly. Rescue a kind of rotating “legs” is attached to the bottom of a wooden or metal strap hinges.
Recommend to read
THE CORRUGATED BOARD MOTOR
Not so long ago in the journal "modelist-Konstruktor" was about the simplest model of a glider made from a conventional packaging corrugated Board material although not aeromodelling,...
THE ERA OF THE TRANSATLANTIC CRANKSHAFT
In the nineteenth century, the United States became a real "worker" in the field of underwater shipbuilding. To a large extent this contributed to the Civil war in which both sides...
