a$.1$:Tool post $-2$:Tool$-3$:Saddle $4$:Compound rest $-5$:Cross$-$slide$-6$:Apron

b$.1$:Tool $-2$:Tool post $-3$:Compound rest $4$:Saddle $-5$:Apron $-6$:Cross$-$slide

c$.1$:Tool post $-2$:Tool$-3$:Compound rest $4$:Saddle $-5$:Cross$-$slide$-6$:Apron

d$.1$:Tool $-2$:Tool post $-3$:Compound rest $4$:Saddle $-5$:Cross$-$slide$-6$:Apron