Sineminyaka engaphezu kwengu-7 yebhizinisi lendawo kanye nokukhula ezifundeni ezingama-35 ezinjengeLatin America, i-Afrika, i-Middle East, iSouth America kanye nasandisa unyaka wethu wamakhemikhali, futhi sandisa unyaka wethu webhizinisi ngonyaka ukuze sisebenzele amakhasimende amaningi.