Perma-Lock® 2-Way Integrated Actuator Prevention. Not Detection.® Understanding the importance for continuous improvement in food safety, and reducing expensive recalls, many CRC food grade products utilize the revolutionary Perma-Lock® 2-Way Integrated Actuator that will not detach, reducing the chance of foreign object contamination. In addition, CRC has a unique label designed to ensure proper usage of these products in the workplace. Visit: www.crcindustries.com/stoplight-food-safety-program/ to learn more.