Peb lub tuam txhab tam sim no tau ua haujlwm ze li ntawm 600 tus neeg siv khoom thoob ntiaj teb, suav nrog South Asia, South Asia, Middle East, Eastern Europe thiab ib feem ntawm South America. Txhawm rau ua haujlwm zoo dua rau cov neeg siv khoom, peb tau pab cov neeg sawv cev hauv zos thiab cov neeg siv khoom siv los tsim lossis txhim kho lawv cov chaw soj nstuam agrochemical, lossis muab kev cob qhia rau lawv. Peb txaus siab pom qhov kev txhim kho ntawm cov khoom zoo thiab kev tshawb fawb muaj peev xwm ntawm peb cov neeg koom tes, uas cov khoom thiab cov kev pab cuam tau txais kev qhuas los ntawm cov neeg siv khoom hauv zos hauv kev lag luam tshuaj tua kab.
