This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Hospital waste and disaster management, Occupational health, Subject name: Social & Preventive Medicine
[{'content': 'True about screw feed technology \nSelect and explain. \nA. Waste is reduced by 80% in volume and by 20-35% in weight, B. Waste is reduced by 85% in volume and by 10-20% in weight, C. Wet thermal disinfection process, D. Used to process pathological waste', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Screw-feed technology is the basis of a non-burn, dry thermal disinfection process in which waste is shredded and heated in a rotating auger.The waste is reduced by 80 percent in volume and by 25-35 percent in weight.This process is suitable for treating infectious waste and sharps. Should not be used to process pathological, cytotoxic or radioactive waste.Park 23e pg: 792', 'role': 'assistant'}]