Great care should also be taken to ensure that no insecticides used in cotton are stored or prepared for spraying in buildings used for curing or handling tobacco as this would also lead to contamination of the tobacco
Kasamalidwe koyenera katsatidwe poonetsetsa kuti palibe mankhwala ophera tizilombo mu thonje omwe akusungidwa kapena kukonzedwa kuti akapopeledwe mnyumba yowumitsira  kapena kusungira fodya pakuti izi zipangitsa kuti fodya akhuzane ndi mankhwalawo