| http://www.w3.org/ns/prov#value | - sition??? Activate vacuum LATHE ??? Pumice has been shown to pose a potential contamination risk ??? Via aerosol or direct contact ??? Mix pumice with ??? Clean water, diluted 1:10 bleach, or other appropriate disinfectant ??? Add tincture of green soap if desired LATHE ??? Change pumice daily??? Machine should be cleaned and disinfected daily ??? No need for separate pans for new and existing pro
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