<prompt> Hot air oven can be used to sterilize all EXCEPT:ScalpelsGlasswarePlastic SyringesDressings  <response>: Ans. c Plastic SyringesRef: K. Park 23rd ed. 127-28HOTAIR OVEN Holding period of 160 C x 1 hour Used for forceps, glasswares, scissors, scalpels, glass syringes, swabs and few pharmaceutical products like liquid paraffin, fats, grease. 