A possible uneveness can be adjusted by putting thin aluminum foil adequately under the steel bar on which the crystal is mounted or by regrinding the whole magnetic chuck.
(A possible uneveness; can be adjusted; ) (A possible uneveness; by putting; thin aluminum foil; adequately; L:under the steel bar) (the crystal; is mounted; )
A possible uneveness A possible uneveness the crystal
can be adjusted by putting is mounted
thin aluminum foil adequately L:under the steel bar