ADJ

annual, regular, routine
long-term, ongoing
proper
essential
The power station has been shut down for essential maintenance
preventative
careful
easy
The engine is designed for easy maintenance
low, minimal
This type of garden requires minimal maintenance
on-site
aircraft, car, machine, etc.

VERB + MAINTENANCE

carry out
We carry out routine maintenance of the equipment
need, require

MAINTENANCE + NOUN

engineer, crew, man, staff, team
bill, costs
contract
service
We provide a maintenance service on all our products
programme
work

ADJ

child

VERB + MAINTENANCE

pay
claim

MAINTENANCE + NOUN

payments
arrears
He was jailed for failing to pay maintenance arrears

PREP

in ~
He pays £1,000 a month in child maintenance