Question: on the basis of such data and some fixed assessment factors, the concentration of the substance not expected to cause toxic impacts in the environment (pnec) by acute and chronic exposure is determined.
Answer: --> On the basis of such data and some fixed assessment factors, the concentration of the substance not expected to cause toxic impacts in the environment (PNEC) by acute and chronic exposure is determined.

Question: the featured china guangdong led coconut lighting led-pt-2.0 manufacturers and listed here are sourced by the karnar lighting.
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Question: a manufacturer of mr16 led lamp fancy ball at zhongshan karnar lighting & electron factory.
Answer:
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