- 14WashGoldwashing Machine: a device for washing gold from sediment. It speeds up the washing process and helps concentrate gold for easier collection. Simple to operate and suitable for small to medium throughput mining activities. - Sieving in mining: a tool used to separate materials by size during the extraction process. Helps remove oversized waste and pre-classify concentrates to improve recovery efficiency. - Gold pan: a manual tool for separating gold particles from lighter material in shallow water. Low-cost, portable, and versatile for on-site checks and initial recovery. - Green plastic gold sieve: a lightweight, durable plastic sieve designed for screening gold-bearing material. Easy to handle, cleans quickly, and helps classify material before or after washing. - All items together: part of a practical gold washing and sieving workflow in mining. They support washing, size classification, and final collection, contributing to a clearer, more efficient recovery process. Use scenarios - River prospecting: use the gold pan and green plastic sieve to perform quick on-site checks, then run material through the 14WashGoldwashing Machine for faster washing and concentration. - Small-scale mining site: process placer deposits by washing with the 14WashGoldwashing Machine, pre-classify with the green plastic sieve, and final sort with the gold pan. - Educational or hobbyist demo: demonstrate the full washing and sieving workflow to learners or hobbyists, showing how material is separated by size and how gold concentrates are collected.