In liability based on negligence, . a contractual relationship is involved and it does matter whether or not the buyer dealt directly with the manufacturer the manufacturer's duty of care extends to all persons who might foreseeably be injured if the manufacturer does not exercise its duty of care disclaimers in contracts are usually effective to shield a manufacturer or seller against liability for negligence to consumers the obvious danger rule can be used for complete defense

the manufacturer's duty of care extends to all persons who might foreseeably be injured if the manufacturer does not exercise its duty of care

Explanation:

Negligence liability can apply to persons or organisations not explicitly interested in the accident at question — a term known as vicarious liability. Vicarious responsibility for negligence is also asserted to ensure that an accident victim can collect her or his compensation from an economically stable and properly protected party.

Small companies, associations, organisations and major corporations may also be held legitimately accountable in cases where they have failed to secure the health of everyone else adequately. Additionally, respondeat superior may also render an employer responsible for job-related injuries affecting his or her workers  even though at the moment of the incident the employer had not been present.                    

the answer should be demonstrations i hope this

its kinda hard to answer this when we dont have all the information that we need.