A method for forming a perpendicular magnetic recording head using an air-bearing surface damascene process and perpendicular magnetic recording head formed thereby is disclosed. A petroleum fraction is contacted with hydrogen and a commercially available hydrodesulfurization catalyst under mild conditions with to remove a first portion of the sulfur present, and is then contacted with an adsorbent for the removal of additional sulfur. content such as photos, videos, text, and sound, to a publicly available resource, such as a Web browser accessible, network based commerce system. The first indicator may be associated with one or more rows of the table and may identify whether each of the one or more rows includes one or more fragments.