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The method employs acoustic waves that propagate along an elongated structure while guided by its boundaries. This allows the waves to travel a long distance with little loss in energy. Nowadays, GWT is widely used to inspect and screen many engineering structures, particularly for the inspection of metallic pipelines around the world. In some ...
Scaffolding for rehabilitation in Madrid, Spain [1] Scaffolding for renovation on the Virgin Mary statue, Santiago de Chile, Chile.. Scaffolding, also called scaffold or staging, [2] is a temporary structure used to support a work crew and materials to aid in the construction, maintenance and repair of buildings, bridges and all other human-made structures.
Another prevention method on the construction site is to provide a scaffold that is rigid and sufficient to carry its own weight plus four times the maximum intended load without settling or displacement. [64] Ways to prevent injuries and improve safety include: Management safety; Integrate safety as a part of the job
Nos. 12-3176, 12-3644 IN THE UNITED STATES COURT OF APPEALS FOR THE SECOND CIRCUIT CHRISTOPHER HEDGES, et al., Plaintiffs-Appellees, v. BARACK OBAMA, individually and as
Commercial real estate has historically outperformed the stock market, and this platform allows individuals to invest in commercial real estate with as little as $5,000 offering a 12% target yield ...
[citation needed] The Work Safety Law (安全生产法) was issued on 1 November 2002. [117] [118] The Occupational Disease Control Act came into force on 1 May 2002. [119] In 2018, the National Health Commission (NHC) was formally established to formulating national health policies. The NHC formulated the "National Occupational Disease ...
From January 2008 to October 2009, if you bought shares in companies when Deborah J. Lucas joined the board, and sold them when she left, you would have a -26.2 percent return on your investment, compared to a -28.0 percent return from the S&P 500.