Millstone engraver is called, the craftsman carving the millstones, in order for the mill to grind properly without problems.
The same craftsman in past , in greece , they called him mylokopos.
The craftsman who built the millstones in Greece called him a mylourgò .
The miller, who knew how to carve the millstones and had the supervision of the watermill or the windmill, with staff, called him a mylothròs.
While the craftsman, who knew how to build, a watermill or a windmill, they called him a carpenter mill ( mylomaragkòs).