Construction project managers control the time, cost and quality of construction projects, from residential, commercial and industrial buildings to roads, bridges and schools.
cricothyroidotomy (plural cricothyroidotomies) (medicine) an emergency surgical procedure, a form of tracheotomy, in which a hole is cut through the patient's neck into the windpipe in order to allow air into the lungs.
A cricothyrotomy is generally performed by making a vertical incision on the skin of the neck just below the  Adam's apple , or thyroid cartilage, then making another transverse incision in the cricothyroid membrane which lies deep to this point.