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A coupon or test coupon is a printed circuit board (PCB) used to test the quality of a printed wiring board (PWB) fabrication process. Test coupons are fabricated on the same panel as the PWBs, typically at the edges. Coupons are then inspected to ensure proper layer alignment, electrical connectivity, and cross sectioned to inspect internal ...
A sign on a fence in Greenwich, England, advising of the use of anti-climb paint. Anti-climb paint on a gate in the UK. Anti-climb paint (also known as non-drying paint, anti-intruder paint, anti-vandal grease) is a class of paint consisting of a thick oily coating that is applied with a stiff brush, trowel or by hand using a protective glove.
Non-wood poles There are three main non-wood pole materials and structures on which the attachment hardware may be mounted: concrete, steel, and fiber-reinforced composite (FRC). Each material has intrinsic characteristics that need to be considered during the design and manufacture of the attachment hardware.
The Masters racer remained the only non-kit car that racers had to fabricate from scratch until 1999, when a prefabricated Masters kit, called the "Scottie" was made available for sale. Since 1976, the top-tier Senior/Master Division cars were fully-reclined lay-down designs, while the Junior/Stock and Kit Car Division entries remained sit-ups.
In February 2021, Alibaba sold $5 billion in bonds, the company's third large sale of dollar bonds, issuing four sets priced to yield between 2.143% and 3.251%. The four sets of bonds were $1.5 billion of both 10-year and 30-year debt along with $1 billion of bonds due in 20 and 40 years.
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Tightrope walking, Armenian manuscript, 1688. Tightwire is the skill of maintaining balance while walking along a tensioned wire between two points. It can be done either using a balancing tool (umbrella, fan, balance pole, etc.) or "freehand", using only one's body to maintain balance.
Philippe Petit (French pronunciation: [filip pəti]; born 13 August 1949) is a French highwire artist who gained fame for his unauthorized highwire walks between the towers of Notre-Dame Cathedral in Paris in 1971 and of Sydney Harbour Bridge in 1973, as well as between the Twin Towers of the World Trade Center in New York City in August 1974.