Thompson's rigorous quality control procedures test all raw materials to ensure no chemical pollutants such as PCBs, mercury and lead.

汤普森的严格的质量控制程序测试所有原材料，以确保没有化学污染物，如多氯联苯，汞和铅。

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While the information is generally accurate and up-to-date, Jigsaw is rigorous with quality control.

FORBES: Be A Rainmaker With Jigsaw