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The Journeymen Stonecutters' Association of North America (JSANA) was a labor union representing workers involved in cutting and shaping stone for construction in the United States and Canada. The union was founded on December 5, 1887 at a conference in Chicago .
Some claim that they can determine the sort of tools used to create the debitage. Others feel it is possible to effectively estimate the work-hours represented, or the skill of the workers based on the nature of the debitage. Debitage analysis of biface reduction can be used to determine what stage of reduction is represented in waste.
Hazus is a geographic information system-based natural hazard analysis tool developed and freely distributed by the Federal Emergency Management Agency (FEMA). In 1997 FEMA released its first edition of a commercial off-the-shelf loss and risk assessment software package built on GIS technology.
About 1.4 million or 12.3% of construction workers were age 60 or older. [41] One in five (19.7%) construction workers had a respiratory disease, and one in four (25.8%) had cancer, diabetes, or heart, kidney, or liver disease. [41] About 30% of construction workers were Hispanic who make up 17.7% of workers in all industries. [41]
In archaeology, lithic analysis is the analysis of stone tools and other chipped stone artifacts using basic scientific techniques. At its most basic level, lithic analyses involve an analysis of the artifact's morphology, the measurement of various physical attributes, and examining other visible features (such as noting the presence or absence of cortex, for example).
Risk management tools help address uncertainty by identifying risks, generating metrics, setting parameters, prioritizing issues, developing responses, and tracking risks. [1] Without the use of these tools, techniques, documentation, and information systems, it can be challenging to effectively monitor these activities.
In 2023, the United States reported that, of the total number of construction workers, 27.7% of workers were Hispanic and around 6.2% were women. [6] [7] In some economies, there is also substantial self-employment; in the United Kingdom for example, 1.4 million out of 2.25 million construction workers were classified as self-employed in 2023. [8]
The earliest stone tools to date have been found at the site of Lomekwi 3 (LOM3) in Kenya and they have been dated to around 3.3 million years ago. [1] The archaeological record of lithic technology is divided into three major time periods: the Paleolithic (Old Stone Age), Mesolithic (Middle Stone Age), and Neolithic (New Stone Age).
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