Apparatus used to conduct the required process or test.For the purpose of this Guide (ISPE GPG Assessing the Particulate Containment Performance of Pharmaceutical Equipment) the term “equipment” is used, e.g., in “emissions from the equipment”, to refer either to a piece of process equipment (e.g., a mill or a centrifuge) or to a containment system (e.g., a glovebox, a downflow booth, laminar air flow booth, containment by air entrainment device, or local exhaust device).