Since two thermometers are required, one to measure the temperature of the hot water and the other to measure the temperature of the cold water, ensure that both thermometers are calibrated and the corrections are made to the temperature values.
(two thermometers; are required; ) (one; to measure; the temperature of the hot water and the other; to measure the temperature of the cold water, ensure that both thermometers are calibrated)
two thermometers one
are required to measure
the temperature of the hot water and the other to measure the temperature of the cold water, ensure that both thermometers are calibrated