<prompt> Which method is used for destroying useless hospital waste products?Hot air ovenIncinerationAutoclaveHeat sterilization  <response>: Ans: b Incineration Ref: Ananthanarayan, 7th ed, p. 25; Park, 18th ed, p. 599Incineration is an excellent method of safely destroying materials such as contaminated cloth, animal carcasses and pathological materials.Categorization of biomedical waste and its disposal:Cat IHuman anatomical wasteIncinerationCat IIAnimal wasteIncinerationCat IIIMicrobiology and biotech wasteAutoclaving incinerationCat IVWaste sharps needle, syringe etcDisinfection autoclavingCat VDiscarded medicines and cytotoxic drugsIncineration and disposal in secured land fillCat VISolid waste contaminated with blood and fluidIncinerationCat VIISolid waste tubings, catheters, iv setsAutoclavingCat VIIILiquid wasteDisinfection by chemical treatmentCat IXIncineration ashDisposal in land fillCat XChemicals used in biologicals and disinfectionDisposal in secured land fill Colour coding:Cat 1,2,3,6-Yellow -- IncinerationCat 3, 6, 7-Red- AutoclavingCat 4,7-Blue white- AutoclavingCat 5, 9, 10-Black- Secured land fill 