<prompt> tafsiri zifuatazo kutoka kwa swahili hadi kiingereza.wauzaji hutembelewa mara kwa mara, mikataba ndogo imeondolewa, bidhaa zinaweza kununuliwa tu kutoka kwa orodha yetu ya wauzaji iliyoidhinishwa; laini za usaidizi za kupiga filimbi zimewekwa kwa kila muuzaji; na matumizi ya teknolojia inaruhusu kundi kufuatilia wauzaji na rekodi zao za kifedha.  <response>: suppliers are visited more frequently, sub-contracting has been removed, products can only be purchased from our approved supplier list; mandatory whistle-blower helplines have been installed at every supplier; and the use of technology is allowing the group to forensically monitor suppliers and their financial records. 