It should be noted, medical lightinstallation siteelevationand water temperatureis different from thetestconditions, medical lightsuch aslocalelevation of 300metersorpumpingthewater temperature exceeds20 degrees Celsius, thecalculated values??shouldbe amended.medical lightthat isdifferentaltitudeandatmospheric pressureat thetemperatureabove 20degrees Celsiuswhen thesaturatedvapor pressure.However, medical lightwater temperature is 20degrees Celsius, thesaturatedvapor pressureis negligible.