Remove the Lime From a Kettle, Say
This page is the CodyCross answer for the clue below from Train Travel, Group 719, Puzzle 3 (Trans Siberian Railway).
Question is: Remove the Lime From a Kettle, Say
and the answer is: DESCALE
Word Meaning:
DESCALE — To remove scale from the surface of a metal, especially from the inner surfaces of boilers etc.
Definitions from Wiktionary.