making gold sluice box - spirosurvey.co.za- how to make a sluicing for gold pdf ,How To Make A Sluicing For Gold Pdf; Mobile , Homemade 3 Stage Under Current Sluice Box catching Gold , Build a home made Sluice Box, make , Chat How to Build a Sluice Box 2 | Gold Prospecting Equipment ,Sluicing - WikipediaIn syntax, sluicing is a type of ellipsis that occurs in both direct and indirect interrogative clauses. The ellipsis is introduced by a wh-expression, whereby in most cases, everything except the wh-expression is elided from the clause.