The investigation uses a group of people: an expert and five inexperienced ones in the ascent to the posts of the electric power distribution networks that are 12 meters high. The analysis consisted in taking data related to the heartbeat given by the physical effort made to raise and lower poles. presenting a map of heat. generating a stress caused by the fear of heights and the poss... https://parisnaturalfoodes.shop/product-category/elder-flowers/