<prompt> Gamma radiations are used for sterilizing?SyringesCystoscopesDressing apronsMetal instruments  <response>: IONISING RADIATION: commercial plants use gamma radiations for sterilizing items like plastics, syringes, swabs, catheters, animal feeds, cardboards, oils, grease, fabrics and metal foils. REF:Ananthanarayan and Panickers Textbook ofMicrobiology 8thEdition pg 