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
Nasal reconstruction using a paramedian forehead flap forehead and it closes by secondary healing. In spite of the fact that, as a result, the eyebrow could be distorted, this is usually avoided. As a result of a large initial defect, the flap has to be larger and the bigger the forehead defect will be. When there is a large resultant forehead defect it logically lies closer to the eyebrow. That is why there is a significant risk of superior eyebrow malposition, especially if a horizontal or oblique oriented forehead flap is used. Then the solution is to close the remaining defect with a skin graft. However a