Focus component

This page is a candidate for deletion, because: moved concept to focus (component) to isolate legacy mechanical junk. If you disagree with this page's deletion, please explain why on its talk page. If this page obviously should not be deleted, or you intend to fix it, please remove this notice, but do not remove this notice from articles that you have created yourself. Administrators, remember to check if anything links here and the page history (last edit) before deleting.