tööseisak tähendus null.

shutdown [shutdowns]▼◼◼◼noun
[UK: ˈʃʌt.daʊn] [US: ˈʃʌt.ˌdaʊn]

downtime [downtimes]▼◼◻◻noun
[UK: ˈdaʊn.ˌtaɪm] [US: ˈdaʊn.ˌtaɪm]