Police must follow strict protocols at a crime scene to make sure the evidence is not damaged or altered in any way.
(警察は犯罪現場で証拠が損傷されたり改ざんされたりしないよう、厳格な指示に従う必要がある。)
Medical professionals must adhere to a strict protocol when handling contagious diseases, implementing measures such as isolation, sterilization, and vaccination to prevent the spread of infections and safeguard public health.