preventative maintenance
Maintenance done to keep something in working order rather than to repair damage that…Maintenance done to keep something in working order rather than to repair damage that has already happened.
Meaning
1 senses(uncountable)Maintenance done to keep something in working order rather than to repair damage that has already happened.
Lessons for this word
1 lessons- A1Countable and uncountable nouns — Because it can be uncountable