Lack of soil: it should be the central and local governments. Suitable for real estate, rural areas, animal husbandry, cloth, clothing, textiles, stone, lime, mountains, cement, construction, real estate transactions, raincoats, umbrellas, dikes, water-bearing articles, pawn shops, antiques, middlemen, lawyers, management, trading, design, consulting, funeral, tomb building, cemetery management, monks and nuns, etc.