Producing at Maximum With the Minimum Waste

This page is the CodyCross answer for the clue below from Train Travel, Group 708, Puzzle 3 (Flying Scotsman).

Question is: Producing at Maximum With the Minimum Waste

and the answer is: EFFICIENT

Word Meaning:

EFFICIENT — Making good, thorough, or careful use of resources; not consuming extra. Especially, making good use of time or energy.

Definitions from Wiktionary.

Producing At Maximum With The Minimum Waste - Train Travel CodyCross Answers | CodyCross Solutions