. "Vacuum: historical interpretation" . . "evacuated" . . "excavate" . . "space vacuum" . "hard-vac" . "vacua" . . "depressurized" . . "vacuum outgassing" . . . . . "Vacuum#Electromagnetism" . "hard vacuum" . . "evacuate the air" . . "Vacuum" . "voids" . "horror vacui" . . "vacuum of space" . . "Vacuum in quantum field theory" . . "partial vacuums" . . . . . . . "vacuums" . . "evacuation" . "''in vacuo''" . "Vacuum#Measurement" . "reduced-pressure" . "forbidden by the Church" . . . . . . "high vacuum" . "vacuum technology" . "Vacuum" . "negative air pressure" . "Vacuum#Historical understanding" . "empty space" . "rarefied" . "low- to medium-vacuum" . . "classical vacuum" . "negative pressure" . . . "Negative pressure" . "void" . "the quantum mechanical vacuum" . . . "vacuum" . "vacuum cleaner" . "free space" . . "Pre-evacuated" . . "Vacuum#Uses" . . . . "low-pressure system" . . . . "in vacuo" . . . . "Vacuum#Outer_space" . . . "perfect vacuum" . . . "vacuum of classical electromagnetism" . . . . "Quantum mechanic vacuum" . "partial vacuum" . "
10^\u22126 mbar
vacuum" . . "vacuity" . .