More subtle scratch pattern.the pattern etched into a floor by a
diamond tool.
The more aggressive the tool, the more evident the scratch
pattern.
The more even a scratch pattern is, the easier it is to progress
through various grits to grind and polish a floor than metals
Radial edge allows for smooth riding over lippagegenerally refers
to two pieces of material joined together but one edge is higher
or lower than the adjoining material, causing unevenness on a
flat surface. and joints
