Reported about 1 year ago
In Shandong, China, veteran watermelon inspector Liu Zhanfeng utilizes the 'look, touch, listen' method to accurately and quickly judge the sweetness of watermelons, earning an average of 500 RMB (about 2230 TWD) per day by inspecting tens of thousands of watermelons daily. With nearly 30 years of experience and expertise, Liu's technique has garnered praise from buyers and online users alike, impressed by his discerning eye and marketable skills in selecting the best watermelons for consumers.
Source: YAHOO