This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Social & Preventive Medicine
[{'content': 'Best for incineration of infectious waste – \nSelect and explain. \nA. Double – chamber, B. Single – chamber, C. Triple – chamber, D. None', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Three basic kinds of incineration technology are of interest for treatment of health care wastes :\n\n\nDouble-chamber pyrolytic incinerators which may be especially designed to burn infectious health care waste.\nSingle-chamber furnaces with static grate, which should be used only if pyrolytic incinerators are not affordable.\nRotary kilns operating at high temperatures, capable of causing decomposition of genotoxic substances and heat-resistant chemicals.', 'role': 'assistant'}]