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 comparison to the two stage flap, the three stage flap technique has shown better results, lower revision rates and more possibilities for use of skin grafts for lining. Most likely this is because of the reliable vascularisation of the three stage flap. Because of the flap’s rich perfusion, flap necrosis is unlikely to occur. If it happens the result of severe ischemia is normally caused by excessive tension on the flap, a misidentification of past injury, nearby scar formation, fanatic inset to the recipient site or exaggerated flap thinning. To solve the problem, to keep the underlying cartilage from infecting