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.
Recommend to read
THAT THREAD WAS NOT TORN
It happens that brand new, just bought at the store needles for sewing machines cut the thread. This occurs due to the sharp edges of the eyelet. To whittle away the edges of the...
MICROMILL
"I read in Modelist-Konstruktor about the continuation of the “Small Mechanization” competition and decided to take part. I offer a simple and compact micro-mill. Its dimensions can be...
