Shop Solutions: MIC CHECK, CHECK One often overlooked item for regular calibration is the common block deck mic and depth mics. Simply lay it on the corresponding precision blocks on your mill table, or known true surface, and check them once in a while. From: Ron Flood Cedar Machine North Branch, MN — Engine Builder and @goenginepro present Shop Solutions to provide machine shop owners and engine technicians the opportunity to share their knowledge to benefit the entire industry and their own shops. Those who submit Shop Solutions that are published are awarded a prepaid $100 Visa gift card. Submit your Shop Solution at [email protected]. You must include your name, shop name, shop address, and shop telephone number. Submitted Shop Solutions not published will be kept on file and reevaluated for each month’s new entries.