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Glass All the principals of high-rate sand filtration apply to glass, with a few exceptions. Unlike sand, which traps debris with its jagged edges, glass has a slight negative charge on the surface to attract fine particles, which cling to the media like static-charged socks to a sweater. This weak charge releases the particles upon…

A water dispenser effect is a phenomenon, occurring when employees at a workplace gather around the office water dispenser and chat. It is a synonym for gathering and connecting people in a certain environment (e.g. the office). When a television program, like a soap-opera or series, is talked about among many people (mostly related to…