The examples of sluicing above have the sluiced material following its antecedent. The more advanced techniques of ground sluicing, hydraulic mining and dredging may be used. Jets were applied to wash down part of a hillside for sluicing. The chief advantage of the hydraulic sluicing method was its cost. Sluicing usually elides everything from a direct or indirect question except the question word. The Limekilns Creek sluicing site has Local heritage significance under this criterion. The Limekilns Creek sluicing site has Local Heritage significance under this criterion. Many claims were consolidated, and worked by ground sluicing. There are two theoretical approaches that have been proposed for how sluicing occurs in languages. Sluicing in these examples occurs in indirect questions. A faster way was by a rocker box or by sluicing. The sluicing illustrated with these two sentences has occurred in indirect questions. It is however possibly the largest mechanical sluicing site on the Shoalhaven. Mandarin sluicing follows this constraint in (9). Sluicing is illustrated with the following examples.