関連ワード:  write a short note on thermometer    write a short note on thermometer class 6    write a short note on thermometer and its types    write a short note on thermometer class 7    write a brief note on thermometer    write a short note on clinical thermometer    write a short note on laboratory thermometer    write a short note on digital thermometer    write a short note on clinical thermometer class 7    write a short note on mercury thermometer