Technician A says that dual-actuated wedge brakes have better mechanical braking efficiencies than comparable S-cam actuated brakes.Technician B says that dual-actuated wedge brakes tend to require less servicing than comparable S-cam actuated brakes.Who is correct?

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The Answer of Technician A says that dual-actuated wedge brakes have better mechanical braking efficiencies than comparable S-cam actuated brakes.Technician B says that dual-actuated wedge brakes tend to require less servicing than comparable S-cam actuated brakes.Who is correct?

Technician a Says That Dual-Actuated Wedge Brakes Have Better Mechanical