<prompt> Ethylene oxide gas is used for sterilization of all EXCEPTIntercostal Drainage tubeElectric instrumentPVC tubesVentilator support system  <response>: Electrical instrument: 38-Baveja 4th editionETHYLENE OXIDE ETO - specially used for sterilizing plastic and rubber articles, respirators, heart-lung mashines sutures, dental equipments and clothing It is commercially used to sterilize disposable plastic syringes, petridishes It has a high penetrating power and thus can sterilised prepackaged materials Ethylene oxide sterilizer called as chemiclave It is unsuitable for fumigation of rooms because of its explosive nature, irritant Bacillus globigi a red pigmented variant of Bacillus subtilis has been used as biological control for testing of ethylene oxide sterilisers Surgical instrument sterilized by - Autoclaving Sharp instrument - 5 CresolUSES OF GLUTARALDEHYDEi For sterilization of cystoscopes, endoscopes, and bronchoscopeii To sterilize plastic endotracheal tubes, face masks, corrugated rubber anaesthetic tubes and metal instrument 