Common Pickling Liquid
This page is the CodyCross answer for the clue below from Past and Present Tech, Group 1458, Puzzle 1 (Overhead Projector).
Question is: Common Pickling Liquid
and the answer is: VINEGAR
Word Meaning:
VINEGAR — (uncountable) A sour liquid formed by the fermentation of alcohol used as a condiment or preservative; a dilute solution of acetic acid.
Definitions from Wiktionary.