If neither thermometer matches with the known value for the boiling point of water then a correction must be applied so that both thermometers report the same number for boiling water.
(neither thermometer; matches; ) (a correction; must be applied; so that both thermometers report the same number for boiling water; T:then) (both thermometers; report; the same number for boiling water)
neither thermometer a correction both thermometers
matches must be applied report
so that both thermometers report the same number for boiling water T:then
the same number for boiling water