<http://schema.org/description>
"Bosch Rexroth has published a booklet to help technicians diagnose problems with hydraulic systems, understand the basics of oil contamination control and recognize the importance of good filtration practices."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/products/bosch-rexroth-booklet-profiles-oil-cleanliness-in-hydraulic-systems>