UNDER CONSTRUCTION

main·te·nance
ˈmānt(ə)nəns,ˈmān(t)nəns/
noun
  1. 1.
    the process of maintaining or preserving someone or something, or the state of being maintained.
    “crucial conditions for the maintenance of democratic government”
    synonyms: preservation, conservation, keeping, prolongation, perpetuation,carrying on, continuation, continuance

    “the maintenance of peace”