A professional who sets up and operates automatic horizontal multiple-spindle drill press to drill holes in insulation board to form acoustical tile. Responsibilities include:

• Removes machine headplate, using wrench and air hoist.
• Attaches specified template pattern to chuckplate, using screwdriver.
• Places drills into chuck, according to template pattern.
• Removes template and replaces machine headplate.
• Adjusts feed rolls, using gauge and wrench.
• Loads automatic feed magazine with tile and starts machine.
• Examines tile to verify that holes are clean cut and conform to depth and pattern specifications.