围栏没有毛刺，不会扎手，绝对安全，有国外的产品质量检验合格书大家可以参看。
There is no burr, absolutely safe. We also furnish inspection paper of this product.
也检查所连接的管道是否清洁，没有碎片和毛刺。
Also check that the adjoining pipework is clean and free from debris and burrs.
也检查所连接的管道是否清洁，没有碎片和毛刺。
Also check that the adjoining pipework is clean and free from debris and burrs.
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