Stan, an air conditioning and heating technician, files a suit against Temp-Set Corporation, alleging that its thermostats are unreasonably dangerous due to the possibility of electrical shock. Temp-Set's best defense is most likelya. contributory negligence.
b. knowledgeable user.
c. commonly known danger.
d. none of the choices

Stan, an air conditioning and heating technician, files a suit against Temp-Set Corporation, alleging that its thermostats are unreasonably dangerous due to the possibility of electrical shock.Temp-Set's best defense is most likely Knowledgeable User.

Some of the products must be used under certain conditions that are mentioned to be safer. When all these instructions are known by the people the manufacturer need not to mention that under warning conditions. These are known to be the knowledgeable users.  

Some of the products usage is more commonly known by the users of those partticular products. They also know the adverse conditions when they are not used under the conditions that are desirable. In the given example, the temperature sets that are made by the technician is the Knowledgeable User since he knows everything about the working.  

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