It can be quickly attached to any work table or top of sewing machine.
The assistant was leaning against a work table, a dazed look on his face.
"Zircorundum," said Bennie, groping around in a drawer of his work table.
The work table B is driven indirectly from a belt pulley at the rear, which transmits the power through gearing.
Then he chuckled, frowned, chuckled again ...