head space,ullage /AGRI,BEVERAGE/
[DE] Leerraum
[EN] head space; ullage
[FR] vidange
expansion space,head space,vacuity /INDUSTRY,INDUSTRY-METAL/
[DE] Freiraum; Gasraum; Leerraum
[EN] expansion space; head space; vacuity
[FR] chambre d' expansion; dégarnissage