This paper seeks to characterize strategies of artifact manufacture and lithic raw material exploitation along San Matías Gulf coast, Argentina, using multifactorial and cluster analysis. Multifactorial analysis is a ...

The use of crystal quartz for making fishtail projectile points is reported in several sites in Uruguay. The widespread use of translucent crystal quartz by Paleo South Americans across suggests that raw material was not ...

In the last year, technologies in the processing and manufacturing of rations are advancing, in a way to maximize the productive efficiency and minimize the loss of nutrients, through the formulation of more elaborated ...

The current energy crisis reflects in the context of societies and points out to a change in this industry under international and national levels. In this context, Brazil comes structuring the National Production and Use ...

Residual biomass is used for energy purposes, such as producing heat and electricity. The potential raw materials are wheat, oat and barley straw, corn stover from the agricultural industry, and wood chips from forest ...