Air Flow Meters. Here you will find air flow meters to measure air velocity and air pressure. Depending on the type of application, air flow meters a re made as hot-wire air flow meters or pocket weather flow meters, both of which can measure air velocity and air pressure. The results of measuring the air velocity can be stored in memory of the device depending on the model.
Pores are a natural part of the skin; blackheads are the superficial plugs that may form within them. Pore dilatation begins with faulty exfoliation of cells lining the interior gland - cells are too sticky leading to microscopic plugs. Sebaceous glands continue to produce sebum that accumulates behind the plug. Protracted pooling of skin oils serves to nourish bacteria (like P. acnes and S. epidermidis). Blackheads and enlarged pores often go hand-in-hand. Blackheads can either expand pores or simply focus attention on them.
The Simple Daily Step That Clears and Prevents Blackheads. Consistently keep the pores clear from oil and dead skin cells. The pore can then 'refine' as it goes back to it's normal size. By keeping them clear you can significantly reduce their appearance as they 'shrink' back.