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
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 ...
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 ...
Severity of Injury, Not Legal Fees, Drives Cost of Workers' Compensation
Dec 04, 2009 |
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(PhysOrg.com) -- The severity of injury and level of impairment -- not the workers' legal fees -- have the most effect on payout for workers' compensation claims among Illinois construction workers, researchers at the University ...
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 ...
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, ...
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 ...
