Laborer
hideOne of the construction trades, traditionally considered unskilled manual labor (as opposed to skilled labor). In the division of labor, laborers have all blasting, hand tools, power tools, air tools, and small heavy equipment, and act as assistants to other trades , e.g. operators or cement masons. The first century BC engineer Vitruvius writes in detail about laborer practices at that time. In his experience a good crew of laborers is just as valuable as any other aspect of construction. Other than the addition of pneumatics, laborer practices have changed little. With the advent of advanced technology and its introduction into the construction field, the laborers have been quick to include much of this technology as being laborers work.
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News tagged with workers
Magic box for mission impossible
Nov 25, 2009 |
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On September 11, firefighters, police officers and ambulance workers faced a terrifying rescue effort in the World Trade Center complex. They battled to save people from the collapsing Twin Towers, searched for survivors, ...
Feeding the clock: Cycles of feeding and fasting drive circadian gene expression in the liver
Nov 25, 2009 |
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When you eat may be just as vital to your health as what you eat, found researchers at the Salk Institute for Biological Studies. Their experiments in mice revealed that the daily waxing and waning of thousands ...
UNAIDS: Sex main cause for HIV spreading in China
Medicine & Health / HIV & AIDS
Nov 25, 2009 |
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(AP) -- The virus that causes AIDS is now spreading fastest in China through heterosexual sex, a trend demanding new strategies to stave off a rebound in the epidemic after years of progress in containing ...
Preventing H1N1 spread to health care workers: Dilemma, debate and confusion
Nov 19, 2009 |
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A commentary in the December issue of The Lancet Infectious Diseases brings to light the gaps in knowledge on the transmission of a common pathogen - the influenza virus - and its impact on decisions about how best to pro ...
Bosses exaggerate women's family-work conflict
Other Sciences / Social Sciences
Nov 18, 2009 |
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(PhysOrg.com) -- Decades into the era of two-earner households, the virtues of family-friendly policies are all but universally assumed in the corporate world. But now new research suggests serious potential pitfalls for ...
Research describes connections between Circadian and metabolic systems
Nov 17, 2009 |
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(PhysOrg.com) -- A paper by University of Notre Dame biologist Giles Duffield and a team of researchers offers new insights into a gene that plays a key role in modulating the body’s Circadian system and may ...
Researchers mobilizing global resources to test new treatments for severe H1N1 infection
Nov 11, 2009 |
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An important, ground-breaking initiative is unfolding in the global critical care community in response to the H1N1 pandemic.
A pain in the neck: Researcher studies the effects of too much texting on college students
Nov 10, 2009 |
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The world record for fastest text message typing is held by a 21-year old college student from Utah, but his dexterous digits could mean serious injury later on. Most adults aged 18-21 prefer texting over e-mail or phone ...
Goldman Sachs, Citigroup got swine flu vaccine
Medicine & Health / Medications
Nov 05, 2009 |
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(AP) -- Some of New York's biggest companies, including Wall Street giants Goldman Sachs and Citigroup, received doses of swine flu vaccine for at-risk employees, drawing criticism that the hard-to-find vaccine ...
Java and nighttime jobs don't mix: study
Nov 03, 2009 |
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Night-shift workers should avoid drinking coffee if they wish to improve their sleep, according to research published in the journal Sleep Medicine. A new study led by Julie Carrier, a Université de Montréal psycho ...
Cell phones become handheld tools for global development
Technology / Computer Sciences
Oct 29, 2009 |
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Mobile phones are on the verge of becoming powerful tools to collect data on many issues, ranging from global health to the environment.
Internet fuels virtual subculture for sex trade, study finds
Other Sciences / Social Sciences
Oct 21, 2009 |
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The Internet has spawned a virtual subculture of "johns" who share information electronically about prostitution, potentially making them harder to catch, according to a new study co-authored by a Michigan ...
Older workers spend less on necessities and health care
Other Sciences / Social Sciences
Oct 21, 2009 |
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More older Americans are choosing to continue to work or are returning to the labor force. The number of workers age 65 and older is predicted to increase by more than 80 percent by 2016. In an ongoing study, ...
Swine flu vaccine met with a big dose of skepticism
Oct 15, 2009 |
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Brian LaVane, owner of Huntington Stamp and Coin, a hub for local collectors, has avoided seasonal flu shots for decades, but now he's weighing whether to be immunized against H1N1, the swine flu.
Saving labor: Political scientist says our system of improving factory conditions around the world is broken
Oct 14, 2009 |
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The existence of harsh labor conditions in factories around the world is a pressing moral issue. But to improve those conditions, we should regard it as a logistical issue, too.
