All persons, firms, or corporations engaged in the business of servicing or repairing bicycles, motor scooters, mopeds, motorcycles, lawn mowers, garden equipment, or other such related equipment shall, for the agreed price or the reasonable value of their services in servicing or repairing such equipment, have a lien upon the equipment serviced or repaired, whether the work of servicing or repairing the equipment is performed by themselves or by their employees.