One of the central puzzles in the study of sociocultural evolution is how and why transitions from small-scale human groups to large-scale. hierarchically more complex ones occurred. Here we develop a spatially explicit agent-based model as a first step towards understanding the ecological dynamics of small and large-scale human groups. By analogy with the interactions between single-... https://www.markymarkscott.com/product-category/high-frequency-pivot-motor-clipper/
HIGH FREQUENCY PIVOT MOTOR CLIPPER
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