Your statement which the "gold" rises to the highest is The rationale I check with this since that's the way mica particles act within a pan. The chinese things have gotten far better recently. The cheapest one particular I've identified can be a towable backhoe from Harbor Freight for $2899 https://swiss-directory.com/listings783802/new-step-by-step-map-for-https-www-nwsupplement-com-product-gold-standard-100-whey-protein-for-sale