Technician A says that in a waste spark system two plugs fire simultaneously on two different cylinders, one of which is on the compression stroke and the other is on the exhaust stroke. Technician B says that one plug fires on the intake stroke and the other on the exhaust stroke. Who is correct? A. Technician A. B. Technician B. C. Both Technician A and Technician B. D. Neither Technician A nor Technician B.