An accelerator comes either in the form of a ring (a circular accelerator), where a beam of particles travels repeatedly round a loop, or in a straight line (a linear accelerator), where the particle beam travels from one end to the other.
Security sector reform is a process. of creating a new image of the security sector through re-orientation of the sector and the citizens on security. matters organize a well-equipped, well-trained and well-resourced security sector that could maintain both the.
1 The term the Secretary means the Secretary of Homeland Security.  The term Sector-Specific Agency means a Federal department or agency responsible for infrastructure protection activities in a designated critical infrastructure sector or key resources category.