Maintenance occurs as legal term of art that is used to describe child support, alimony (also known as spousal trend lines), & champerty. These are less normally wont to describe unlawful conduct around which the third-person will bring assist to the litigator world health organization doesn't have the bona-fide interest in a suit.

Maintenance is an industry term that is used to describe software maintenance in the computer software industry

Maintenance is an industry term that is used to describe preventive maintenance in manufacturing, e.g. "schedule maintenance on the grinding machine"

de:Wartung