Upkeep

обслу́живание

obslúživanije

(maintenance; the act or effort of keeping something in good repair)

содержа́ние

soderžánije

(maintenance; the act or effort of keeping something in good repair)

проводить техническое обслуживание

provoditʹ texničeskoje obsluživanije

(to maintain (something) or keep it in good repair)

содержа́ть в исправности

soderžátʹ v ispravnosti

(to maintain (something) or keep it in good repair)