Which of the following is listed as an example of an industrial machine?

• A. Packaging machines
• B. Assembly machine
• C. Woodworking bench
• D. Industrial 3D printer

Answer: (B)

Industrial machines are equipment used in manufacturing to perform a work process that moves parts toward finished products, often automating steps along a production line. An assembly machine fits this role perfectly because its primary function is to automatically join parts and create subassemblies or final products as part of a manufacturing workflow. It embodies automated, production-oriented activity that you’d expect on an industrial floor.

The other options aren’t as representative of an industrial machine in this context. A woodworking bench is not a machine at all—it's a stable workspace for manual tasks. A packaging machine, while industrial, focuses on applying packaging to finished goods rather than assembling components. An industrial 3D printer is itself a machine, but in typical industrial settings it’s used for prototyping or producing custom parts rather than performing the standard assembly steps found on production lines.