Sineminyaka engaphezu kweyi-7 yebhizinisi lendawo kanye nokukhula ezifundeni ezingama-35 ezifana neLatin America, i-Afrika, iMpumalanga Ephakathi, iNingizimu Melika kanye ne-Asia, ngokuthengiswa kwaminyaka yonke okungamathani angama-450,000 amakhemikhali ahlukahlukene, futhi sandisa unyaka wethu webhizinisi. ngonyaka ukuze unikeze amakhasimende amaningi.