Umm... like.. all and every practice approved by human rights I guess, your question has zero context.
Answer:
The legal obligation to safeguard others from harm while they are in your care, using your services, or exposed to your activities
Explanation:
For example: The school's duty of care towards its pupils
The letter states that the city council has a duty of care to road users to ensure that crossings are properly controlled.
B layers of substances that help the tissue move
Answer: True
Explanation:
People must know for any harmful substances that may be contained in products and besides, people must know for every substance that is contained in products.
People can have allergies on substances and if the manufacture does not identify those substances, it can be very bad for that manufacture and its reputation.