Diseases, Conditions, Syndromes

Back to school in masks as Singapore eases virus curbs

Pupils wearing face masks returned to school in Singapore on Tuesday and some workplaces re-opened as coronavirus restrictions were eased in the hard-hit city-state.

Diseases, Conditions, Syndromes

Doctors design tool to predict rapid COVID-19 decline

Two Yale emergency physicians have designed a tool to help clinicians better identify COVID-19 patients whose condition is likely to worsen rapidly and who will need intensive care within 24 hours.

Diseases, Conditions, Syndromes

India cautiously opens up even as coronavirus cases rise

More states opened up and crowds of commuters trickled onto the roads in many of India's cities on Monday as a three-phase plan to lift the nationwide coronavirus lockdown began despite an upward trend in new infections.

Laborer

One 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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