The first part of the subclavian artery begins from the origin of subclavian artery and extends to the medial border of the scalenus anterior muscle. It gives off following important branches: 1. Vertebral artery. 2. Thyrocervical trunk.
Hartzell Engine Technologies Appoints Quality Aircraft Accessories as a Recommended Service Facility for Turbochargers and Turbosystem Components.
Aircraft mechanics typically do the following: 1  Diagnose mechanical or electrical problems. 2  Repair wings, brakes, electrical systems, and other aircraft components. 3  Replace defective parts, using hand tools or power tools. 4  Examine replacement aircraft parts for defects. 5  Read maintenance manuals to identify repair procedures.