Technician a Says Shop Ventilation Is Not Needed When Working

Multiple Choice

Technician A says shop ventilation is not needed when working on new vehicles because new-vehicle emissions are low. Technician B says the shop's ventilation system should be connected to the exhaust pipe if the engine is running. Who is correct?

A) Technician A only
B) Technician B only
C) Both Technician A and B
D) Neither Technician A nor B