protection and alarm systems
21Command and control — This article is about command and control in the military. For command and control in the context of civilian organizations, see Command and control (management). Warfare Military history Eras …
22Wireless electronic devices and health — For mobile phones, see Mobile phone radiation and health. The World Health Organization has acknowledged that electromagnetic fields (EMFs) are influencing the environment (but not people), and that some people are worried about possible… …
23Operations, administration and management — or operations, administration and maintenance (OA M or OAM) is a general term used to describe the processes, activities, tools, standards, etc involved with operating, administering, managing and maintaining any system. It is more commonly used… …
24security and protection system — Introduction any of various means or devices designed to guard persons and property against a broad range of hazards, including crime, fire, accidents, espionage, sabotage, subversion, and attack. Most security and protection systems… …
25Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
26Guardian Alarm — Guardian Alarm, also known as Guardian Security Services, is one of the largest independently owned security companies in North America.Company OverviewGuardian Alarm installs, monitors and services commercial and residential security systems,… …
27Active fire protection — (AFP) is an integral part of fire protection. AFP is characterised by items and/or systems, which require a certain amount of motion and response in order to work, contrary to passive fire protection.AFP falls into two categories1. Fire… …
28National Fire Protection Association — Abbreviation NFPA Formation 1896 Headquarters Quincy, Massachusetts …
29China Fire and Security Group — Type Public [1] Traded as NASDAQ:  …
302011 Tōhoku earthquake and tsunami — 2011 Miyagi earthquake redirects here. For the aftershock that occurred on 7 April, see April 2011 Miyagi earthquake. 2011 Tōhoku earthquake and tsunami 東日本大震災 An aerial view of damage in the Tōhoku region with black smoke coming from the Nippon… …
