−Removed: As of March 31, 2021, we owned two facilities and both are material to our business: one in Lakewood, Colorado and the other in Bozeman, Montana. 
−Removed: Both facilities are used for manufacturing, engineering, research and development, marketing, and administration. Three of our four segments use the properties:
−Removed: Sterilization and Disinfectant Control, Instruments, and Continuous Monitoring.
−Removed: We had eight leased facilities which are individually immaterial. 
+Added: As of March 31, 2022, we owned two facilities and both are material to our business: one in Lakewood, Colorado and the other in Bozeman, Montana.
+Added: Both facilities are used for manufacturing, engineering, research and development, marketing, and administration. Two of our four segments use the properties:
+Added: Sterilization and Disinfectant Control and Calibration Solutions. We have ten leased facilities which are individually immaterial. 
Compared sentence by sentence after normalising whitespace, quotation marks, case and digits, so re-formatting and restated figures do not read as changed language. Wording changes appear as one removal and one addition. The current filing and the prior one are authoritative.