infinitech - engenharia, has for objective to give continuation to the works developed throughout the last 20 years, carrying through projects of engineering and certification of buildings in the specialties described in the complemented lateral menus with the activities of energy certification, security certification and acoustics certification.
	in 1492 cristóvão colombo arrives to américa; in 1494  is marked a meeting in tordesilhas where the kings of portugal and spain accept to share the futures discoveries in two influence zones respectively situated at east and west of the 370 league meridian of cabo verde; the treaty of tordesilhas was later certified by pope júlio II in 1506.