An operation of embossing a diamond shaped pattern on the surface of a work piece, is known as

counter-boring

grooving

knurling

facing

knurling

rough turning

boring

thread cutting

single start

double start

multi start

any one of these

watch maker's lathe

sliding head stock automatic lathe

multi spindle automatic lathe

capstan lathe

from left to right end of the lathe bed

from right to left end of the lathe bed

with the help of a compound slide

across the bed