The major differences between the three types are the kinds of energy used to operate the units and the pressure under which distillation takes place.
(The major differences between the three types; are; the kinds of energy used to operate the units and the pressure) (the kinds of energy; used; to operate the units and the pressure) (distillation; takes; place; L:the pressure)
The major differences between the three types the kinds of energy distillation
are used takes
the kinds of energy used to operate the units and the pressure
to operate the units and the pressure
place L:the pressure