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.
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PLIERS WITH SPRING
Work with pliers, side cutters or other similar tools will be significantly easier if the plastic knob to insert a spring made of cut steel wire with a length of about 150 mm.
FOR BUSINESS AND FUN
To transport various cargoes to their farm of Simonov from the village of Podsosenki Saratov region made the tractor chassis. The engine capacity of 40 HP with gearbox's used car...