If engine feed were drawn from the gas phase, the heavier, higher boiling components in LPG would gradually become concentrated in the liquid phase creating a liquid mass with a for vapour pressure and a high freezing point .
(engine feed; were drawn; from the gas phase) (the heavier, higher boiling components in LPG; would gradually become; concentrated; T:in the liquid phase) (the liquid phase; creating; a liquid mass)
engine feed the heavier, higher boiling components in LPG the liquid phase
were drawn would gradually become creating
from the gas phase
concentrated T:in the liquid phase
a liquid mass