For audit of incoming store -give example of questions according to filter funnel technique . Open / probe / close
Some of the questions that can be asked in the auditing process will include the quantity that can be filtered by the funnel, the quality of the results. The auditors will also like to know the filtration method, which will be determined by the funnel filter type. Check out http://www.pall.com/pdfs/Laboratory/MicroFunnel_Filter_Funnels_PN_87228H.pdf and http://www.dartmouth.edu/~chemlab/techniques/vfiltration.html.