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boiler capable of withstanding a high internal pressure so that pressure from it may be used to test the strength of other boilers, katel, mis peab vastu kõrgele siserõhule, nii et sellest lähtuvat rõhku saab kasutada teiste katelde tugevuse katsetamiseks
katsekatel . Metroloogia terminibaas. Estonian Language Institute, Sõnaveeb 2026. https://sonaveeb.ee/search/unif//mea/katsekatel/1/est (02.07.2026)
