Which of the following is NOT a common type of jack used in auto service?

The scissor jack, while it does exist and is used in some contexts, is generally not considered a heavy-duty jack suitable for professional auto service. It is more commonly found as part of a vehicle's emergency kit for changing tires. In contrast, the other types of jacks listed—bottle jacks, floor jacks, and transmission jacks—are widely used in professional automotive service settings due to their capacity to lift heavier loads and their versatility in various tasks.

Bottle jacks are known for their lifting power and compact design, making them ideal for heavier vehicles. Floor jacks provide stability and a lower profile, allowing easier access to the vehicle's undercarriage for maintenance or repairs. Transmission jacks are specialized tools designed specifically for handling transmissions during installation or removal, highlighting their specific application in auto service.

The other options are integral to the automotive repair industry, effectively supporting the lifting and maintenance of vehicles in a professional setting, while the scissor jack's utility is limited primarily to emergency scenarios. Thus, identifying the scissor jack as the option not typically used in professional-grade auto servicing reflects a deeper understanding of the tools commonly employed by auto technicians.