Metal releasable locking mechanisms; security locking devices of metal; locking apparatus; lockable manholes; manually operated mechanical locks and lock parts particularly for use in high security underground infrastructure such as communication cable pits and manholes

Consultancy services for the protection of property and individuals; advice concerning security; security consultancy and advice in relation tot he provision, installation and maintenance of locking mechanisms, in particular locking mechanisms for use in high security underground infrastructure such as communication cable pits and manholes