The Navajo are noted as stockbreeders and skilled weavers, potters, and silversmiths.

纳瓦霍养家禽，技术熟练的纺织者，制陶者和银匠而名。

Animal welfare rule is vallum instituted by developed country, which is adapt to stockbreeder marketing.

动物福利准则是近几年来许多发达国家的贸易壁垒。