the vacuum pulling out the filter
ultra-high vacuum baking-out
vacuum baking-out control
vacuum distillate pull-out
microwave vacuum drying combined with vacuum drying
non-perturbative QCD vacuum and vacuum condensate
vacuum dryer =vacuum drier
vacuum drying plant and vacuum freeze drying plant
an out and out reactionary political force
an out-and-out country life
casting-out-9 check=casting out nines
Out of sight and out of mind