5. Special attention should be paid to the method of drilling holes of large diameter. First you need to drill holes with a diameter of 6 mm in the right places, and then only re -walk along them with a large drill.
5. Special attention should be paid to the method of drilling holes of large diameter. First you need to drill holes with a diameter of 6 mm in the right places, and then only re -walk along them with a large drill.