While water is boiling (i.e. during the phase change at the boiling point) the temperature of the water remains constant.
(water; is boiling; T:i.e. during the phase change at the boiling point) the temperature of the water) (While water is boiling (i.e. during the phase change at the boiling point) the temperature of the water; remains; constant)
water While water is boiling (i.e. during the phase change at the boiling point) the temperature of the water
is boiling remains
T:i.e. during the phase change at the boiling point) the temperature of the water
constant