Ultimate Ultimate 1995 – This event was the first to introduce the no fish-hooking rule and to reinstate judges. Time…
Bill Gates Email Beta Test – An e mail chain-letter that first appeared in 1997 and still circulates. The message…
Flow rate Line measurement half to 21/22 to 43/44 to 81When planning a Bi-Wall or Twin-Wall system, use a 1/2-inch…
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