This document discusses biomedical waste - materials from hospitals and medical facilities that require special handling and disposal due to potential health hazards. It notes that injection sets, medicines, medical packaging and supplies, body parts, samples, films and more all become biomedical waste after use. If not properly disposed of, these wastes can spread infectious diseases through vectors or direct contact and put doctors, nurses, patients, cleaning staff and the public at risk. The document outlines the major and minor sources of biomedical waste and provides guidelines for proper waste segregation, collection, storage, transportation, treatment and disposal to prevent health hazards.