What is the fine-grained topic of the following text: As a member of the team, you will play an active role in supporting our Oxford Retail Store in sales, assessment, prescription, service and repair of custom-made and 'off the shelf’ wheelchairs, mobility scooters and ability enhancing products, which are appropriate to meet the specific needs of our customers. Only return the topic.
Wheelchair and mobility scooter sales and service job role at an Oxford Retail Store