Over time, the cork in the thermos like shrinks, it decreases in diameter and tightly stops clogging his throat. To restore the dimensions of the tube is possible by drilling it from the top blind hole and entering the back benches of thorn — wood truncated cone.
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Introduced in 2003, the new JAGUAR XJ.8 is a rare combination of external conservatism inherent in machines of this brand, with ultra-modern filling, which is equally state of the art... - WHITE ON BLACK
To reduce the time for selection of drills and taps the desired diameter can be, if you whiten them with chalk engraved on their shanks marking. POLYAKOV