A professional who tends machine that splits slabs or blocks of composition corkboard into sheet of specified thickness. Responsibilities include:

• Sets dial gauge or turns handwheels to set rollers at specified distance from each other and from endless belt knife, to cut sheet of prescribed thickness.
• Places slab or block on roller conveyor that moves it to automatic feeding mechanism or pushes slab or block into roller opening that forces it against knife to cut sheet.
• Measures sheet with dial indicator or snap gauge and makes machine adjustment to meet thickness specifications.
• Repositions slab or block for each succeeding cut and stacks sheets.
• May adjust grinding wheel that sharpens knife, using wrench.
• May place slabs or blocks and sheets in steam-heated oven to condition them for cutting.