A key aspect of fire protection is to identify a developing fire emergency in a timely manner, and to alert the building's occupants and fire emergency organizations. This is the role of fire detection and alarm systems. Depending on the anticipated fire scenario, building and use type, number and type of occupants, and criticality of contents and mission, these systems can provide several main functions. First they provide a means to identify a developing fire through either manual or automatic methods and second, they alert building occupants to a fire condition and the need to evacuate. Sound control is an increasing issue for professionals and homeowners. Knowing how to evaluate the acoustic properties of windows can help you make better choices.Sound control is a growing trend in the construction industry, and the market for sound control products is vast. Whether for use in structures around airports, highways, trains or even in loud urban neighborhoods, sound-dampening solutions are sought out more and more. And because the average dual-pane window blocks less sound than the average exterior wall, window upgrades are an effective and high-value way to increase the acoustic performance of the outside envelope.
Now a days in 21 Century every country , every society , every household , every organization think about fire protection and sound control. We can take the example of business point of view. Every company install fire protection system in the organization to overcome the chances of financial loss by fire.Companies install latest technological devices in the organization and provide safe and secure environment to the employees.Every companies also install sound devices that overcome the noise related problem of employee who work within the organization.