mill

Pepper has a stronger flavor when it is ground straight from a mill.

My grandfather worked in a mill.

a cider mill; a cane mill

a lapidary mill

a steel mill

[…] he is relieved from present responsibility to the Chicken, by the absence of that game head of poultry in the country, training (at Toots's cost) for his great mill with the Larkey Boy.

Next morning they put me on the treadmill along with the others: At first, not knowing how to dance it, I cut all my shin with the steps; they did not flog me then — […] They keep on putting her on the mill for a week, and flog her every time […]

In other words, get a mill in your operating position by hook or crook and use it regularly. At the N.C.R. Radio Schools touch typing is taught at the same time code proficiency is advanced.