The lock bolt is in the mailbox does not always withstand the encroachment of the feeder bullies. Too primitive its form is thin and the iron from which it is made.
But if you replace the stock bolt with steel plate cross-section 20×3 mm, bent as shown, so just the box, no one will open.
Recommend to read
THE NAIL WITH ONE HAND
Much easier working with a small nails can a upgraded hammer, with magnetic insert (see Fig.). To do this, cut a little wedge-shaped part of the firing pin, drill the socket for...
Yak-52M
In 2002, the air force developed tactical and technical requirements for the modernization of the Yak-52 training-Yak-52M for professional screening and initial flying training of future...
