<http://schema.org/description>
"This video created by Jesel Inc. shows the operations this company employs to create custom valvetrain components that are tailored to the particular demands of individual auto racing teams."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.mmsonline.com/blog/post/3d-printing-and-custom-machining-fit-together>