Technician a says that whenever a floor jack is used to raise a vehicle off the ground safety stands should be used to support the vehicle. technician b says that the floor jack can support the vehicle safely as long as it is just for a short time.
who is right?

a) technician a
b) technician b
c) both
d) neither

C i.e. Both is right answer.

Explanation:

Consider a vehicle needs some maintenance from a PIT shop.

The PIT shop technicians will use the floor jack to support the car along with safety stands because of safety issue. Merely a jack is not adequate for it.

However, If we are in a middle of any trip and our car tire burst out then we can use our floor jack for tire replacement.

As a conclusion, Floor jacks are best of tire replacement  that doesn't require much time. Whereas if proper maintenance is required the safety stands should be used. So both technicians are right

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i think the answer would be b