Who lives up my A$shole

Technician a says after tire service work tires and wheels must be in a state of static and dynamic balance in order to avoid vibration in service. technician b says tires and wheels are balanced at the factory and do not need further balancing. who is correct?

What impact does landscape management have on the world

During the industrial revolution in europe, were recruited to locate criminals. sheriffs police bobbies thief catchers