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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I would like to share the experience of improvement of the air filter to the engine D-6. The factory cleans the air supplied to the carburetor, causing the engine life is shortened....
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In the "M-K" № 8 for 1988 has published an article about the restoration of the working head Wellenreiter. Offer an easier way to "restoration" with one or two tubes of lemonade or...
