Moreover, we also export gray, green and yellow-rust slabstones, specializing in slabstone and kallaite with the processing, manufacturing and exporting as a whole.
Some common troubles such as poor throwing power,burnt deposit on rim,dull gray coating,piebaldism,blue film,hazy deposit,spongy surface and roughness in decorative chromium plating were summarized.
It uses the high strength helenienne,weaving the grid gray cloth after the warp knitting of longitude and latitude direction,and through overlaying and processingprocesses to making geogrid.
And this was the fifties, the grayest, bleakest, most blinkered and culturally repressive period in the entire second half of the twentieth century, especially in small-town America.
The most famous successful example was the introduction of the gray moth, Cactoblastis cactorum, into Australia to control the prickly pear, Opuntia inermis, which was overrunning vast tracts of land.