Thermometers dually scaled in Celsius and Fahrenheit may alternatively be provided if designed to be easily readable and accurate to " 2.7 F (1.5 C) in the intended range of use.
(Thermometers; dually scaled; L:in Celsius and Fahrenheit) (Thermometers dually scaled in Celsius and Fahrenheit; may be provided; T:alternatively)
Thermometers Thermometers dually scaled in Celsius and Fahrenheit
dually scaled may be provided
L:in Celsius and Fahrenheit
T:alternatively