Some Basics About Flu and Colds. Each year, Americans get more than 1 billion colds, and between 5 and 20 percent. of Americans get the flu. The two diseases have some symptoms in common, and. both are caused by viruses. However, they are different conditions, and the flu is. more severe. Unlike the flu, colds generally don ât cause serious complications, such. as pneumonia, or lead to hospitalization.
Bonderized steel is actually Galvanized steel that has been put through a phosphate bath and has a layer of Chromate applied and dried. The process produces a dull gray colored finish which provides for a good primer in order to be painted.
A street lamp in Singapore showing the characteristic spangle of hot-dip galvanization. Galvanization (or galvanizing as it is most commonly called in that industry) is the process of applying a protective zinc coating to steel or iron, to prevent rusting. The most common method is hot-dip galvanizing, in which parts are submerged in a bath of molten zinc.