The timber industry and other sectors that rely on forest management. would benefit from a deeper understanding of the extraction work carried out by properly trained workers. The objective of this research was to evaluate the effect of training operational personnel on the efficient utilization of harvested pine logs in the southern region of the state of Chihuahua. in northern Mexico. https://www.rxkaitori.com/product-category/ansell-lighting-twistlock-50w-fixed-gu10-chrome-die-cast-downlight/