Purpose: Radiotherapy (RT) relies on devices like thermoplastic masks (TMs). that are made up of specialized thermoplastic polymers. and used as an immobilization tool. The study aims to assess the practice of usage and reuse of TMs among radiation therapy technologists (RTTs) in India and explore their awareness of environmental impact during disposal. https://fitnessgravesyardes.shop/product-category/water-bottle-holder/