What is the fine-grained topic of the following text: Speaking on the development, Andy Stolworthy, Product Manager for ASSA ABLOY Security Solutions, said: “Traditionally magnets have been used due to their lack of moving parts, which prevents damage and their ability to meet with fire safety standards, but in most cases these types of doors cannot meet with the security requirements of PAS 24 and Secured by Design. Only return the topic.
Andy Stolworthy's discussion on traditional door security versus enhanced security standards