| http://www.w3.org/ns/prov#value | - Where necessary, adhesion of the coating 24 can be adjusted by cleaning tip 16 and threads 20 to remove cutting oil, grease and other contamination and then roughening with a commercial phosphate pre-coating compound, such as that provided by the Detrex Chemical Company under the trade name 1020-CN, before the resin coating is applied.
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