The percentage of a liquid or solid (by volume) that evaporates at an ambient temperature of 70 degrees F (20 degrees C) unless some other temperature is stated.
(The percentage of a liquid or solid (by volume; evaporates; L:at an ambient temperature of 70 degrees) (some other temperature; is stated; )
The percentage of a liquid or solid (by volume some other temperature
evaporates is stated
L:at an ambient temperature of 70 degrees