<http://schema.org/description>
"We use a seven-tank process that has been working fine for pretreating cold-rolled steel sheet but experience paint-adhesion failures when we pretreat galvanized steel. What must we do to change the process to pretreat GI sheet?"^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.pfonline.com/articles/phosphate-pretreatment-of-galvanized-steel>