Meaning of sootproof | Babel Free
Examples
“A spark plug which will stay sootproof and give long service in any of the Ford cylinders, must be a specially built plug.”
“[…] only a sootproof plug is of any use to a Mathis owner.”
CEFR level
B2
Upper Intermediate
This word is part of the CEFR B2 vocabulary — upper intermediate level.
This word is part of the CEFR B2 vocabulary — upper intermediate level.
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