Ukuqokelela iimpahla ezivela kubaboneleli abahlukeneyo kwindawo enye nokuzithumela njengothumelo olunye.
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Ukuhlanganisa kuthetha ukuqokelela iimveliso ezithengwe kubaboneleli abaliqela kwindawo yokugcina enye nokuzidibanisa zibe luthumelo olunye. Endaweni yothumelo oluninzi oluncinci, kulawulwa uthumelo olunye kunye neseti enye yamaxwebhu.
Kuthutho lwaselwandle, impahla engazalisiyo isikhongozeli ingathunyelwa njengomthwalo ongaphantsi kwesikhongozeli (LCL), kwaye ezalisayo njengomthwalo opheleleyo wesikhongozeli (FCL). Ukuhlanganisa kukwenza kube lula ukuvavanya ukuba yeyiphi indlela efaneleke ngakumbi.