What is inflammation and the steps in the process of inflammation? We often feel redness, heat, swelling and pain at the site of wounds. Actually this is bodyâs defence mechanism to destroy the pathogen. Tissue damage caused by wound or invading pathogenic organisms induces a complex sequence of events collectively known as inflammation.
A flame detector is a sensor designed to detect and respond to the presence of a flame or fire. Responses to a detected flame depend on the installation, but can include sounding an alarm, deactivating a fuel line (such as a propane or a natural gas line), and activating a fire suppression system.
Uses of infrared radiation. We cannot see infrared radiation, but we can feel it as heat energy. Infrared sensors can detect heat from the body. They are used in: security lights; burglar alarms; Infrared radiation is also used to transmit information from place to place, including: remote controls for television sets and DVD player