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In addition, the packaging and printing ink industry is currently widely used to benzene, ether of toxic organic reagents for the solvent,

In addition, the packaging and printing ink industry now widely used organic reagents such as in benzene, ether as solvent,

Moreover, the packing printing profession at present the widespread use printing ink take the benzene, the ether and so on virulent organic reagent as the solvent,

In addition, packaging & printing industry is currently widely used ink to benzene, ethyl ether of such as toxic organic solvents, reagents for

In addition, the packaging and printing ink industry now widely used organic reagents such as in benzene, ether as solvent,