What feature is a point of differentiation between products and services?

The major attune  feature of a product is that it is physical and it is also tangible. This indicate that a product can be held, it can be seen, felt or scent. As such, the sale of a product is a once off transaction.
A service is work done by another person for another patented. For instance, a person will visit a restaurant to have the pine services performed by other people while they unwind on their tables.

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None of the above. i