A. Bench type
B. Portable type with throat depth of:
I. 450 mm (LC = 0.1 mm)
II. 350 mm (LC = 0.1 mm)
III. 200 mm (LC = 0.1 or 0.01 mm)
IV. 125 mm (LC = 0.1 or 0.01 mm)
V. 50 mm (LC = 0.1 or 0.01 mm)