Peb muaj ntau tshaj 7 xyoo ntawm kev lag luam hauv zos thiab kev loj hlob hauv 35 thaj chaw xws li Latin America, Africa, Middle East, South America thiab Asia, nrog rau tag nrho cov muag khoom txhua xyoo ntawm 450,000 tons ntawm ntau yam tshuaj, thiab peb tab tom nthuav peb cov lag luam nplai xyoo. los ntawm xyoo nyob rau hauv thiaj li yuav pab tau ntau tus neeg muas zaub.