Fan (machine) the airflow from the fans. Thus, fans may become ineffective at cooling the body if the surrounding air is near body temperature and contains high humidity. The punkah fan was used in India about 500 BCE. It was a handheld fan made from bamboo strips or other plant fibre, that could be rotated or fanned to move air. During British rule, the word came to be used by Anglo-Indians to mean a large swinging flat fan, fixed to the ceiling, and pulled by a servant, called the punkawallah. For purposes of air conditioning, the Han Dynasty craftsman and engineer Ding
Carrick-a-Rede Rope Bridge island for over 350 years. It has taken many forms over the years. In the 1970s it had only one handrail and large gaps between the slats. A new bridge, tested up to ten tonnes, was built with the help of local climbers and abseilers in 2000. Another was built in 2004 and offered visitors and fishermen alike a much safer passage to the island. The current wire rope and Douglas fir bridge was made by Heyn Construction in Belfast and raised early in 2008 at a cost of over £16,000. There have been many instances where visitors, unable to