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According to the census of occupational injuries 5,486 people died on the job in 2022, up from the 2021 total of 5,190. The fatal injury rate was 3.7 per 100,000 full-time equivalent workers. [94] The decrease in the mortality rate is only partly (about 10–15%) explained by the deindustrialization of the US in the last 40 years. [95]
The Power of 10 Rules were created in 2006 by Gerard J. Holzmann of the NASA/JPL Laboratory for Reliable Software. [1] The rules are intended to eliminate certain C coding practices that make code difficult to review or statically analyze.
The book describes the students in Gracie Graves's classroom using rhyming poems which are accompanied by drawings. Gracie Graves and the Kids from Room 402 received mixed reviews from critics. It was adapted into an animated series, The Kids from Room 402 , which ran from 1999 to 2001.
Elon was an enthusiastic reader of books, and had attributed his success in part to having read The Lord of the Rings, the Foundation series, and The Hitchhiker's Guide to the Galaxy. [ 16 ] [ 29 ] At age ten, he developed an interest in computing and video games, teaching himself how to program from the VIC-20 user manual. [ 30 ]
Statements which correspond to related hazards are grouped together by code number, so the numbering is not consecutive. The code is used for reference purposes, for example to help with translations, but it is the actual phrase which should appear on labels and safety data sheets. [4]
Heron's fountain is a hydraulic machine invented by the 1st century AD inventor, mathematician, and physicist Heron (or Hero) of Alexandria. [ 1 ] Heron studied the pressure of air and steam, described the first steam engine , and built toys that would spurt water, one of them known as Heron's fountain.
The 402 could read punched cards at a speed of 80 to 150 cards per minute, depending on process options, while printing data at a speed of up to 100 lines per minute. The built-in line printer used 43 alpha-numerical type bars (left-side) and 45 numerical type bars (right-side, shorter bars) to print a total of 88 positions across a line of a report.
Hess's law of constant heat summation, also known simply as Hess's law, is a relationship in physical chemistry and thermodynamics [1] named after Germain Hess, a Swiss-born Russian chemist and physician who published it in 1840.