Zoning in the Operation Theatre Complex â Explained! By Raghavendra Prasad. The OT suite is a potential source of hospital infection in general and wound infection in particular. The suite has to be designed with the aim of minimising the risk of hospital infection being brought into the suite. image source: ccbs4.com. Therefore, the whole OT suite is planned on the concept of four zones, predicted on the types of activities, patterns of circulation and degree of sterility to be maintained. These zones are the disposal zone, protective zone, clean zone, and sterile zone.
Read on to find a range of facts, trivia and other interesting information about thunder. Thunder is the sound caused by lightning. The intense heat from lightning causes the surrounding air to rapidly expand and create a sonic wave that you hear as thunder.
Normally, however, the result is rain, wind, lightning, and thunder. Without lightning, there would be no thunder in thunderstorm.. Thunder is the noise lightning makes as it travels through the air. Lightning occurs during all thunderstorms (though not every time it rains). During a storm, it strikes Earth 100 times each second. More than just a dazzling light show, lightning causes billions of dollars in damage each year. Lightning forms when updrafts of air carry water droplets, which have a charge, upward to heights where some freeze into ice and snow particles. They form a cloud.