After the whirlpool, the wort must be brought down to fermentation temperatures (20–26°Celsius) before yeast is added. In modern breweries this is achieved through a plate heat exchanger. A plate heat exchanger has many ridged plates, which form two separate paths.
Fashion journalism involves all aspects of published fashion media, including fashion writers, fashion critics, and fashion reporters.
Early Western travelers, whether to Persia, Turkey, India, or China, would frequently remark on the absence of change in fashion there. Observers from these other cultures commented on the unseemly pace of Western fashion, which many felt suggested an instability and a lack of order in Western culture.