Whakaahuatanga Poto:

Hei whakamutunga – te ataahua rongonui o Calacatta, kāore e whakararu i ngā pukahukahu tangata. Ka tukuna e ā mātou pereti he pānga tirohanga whakamiharo, me te tiaki i ngā tīma awheawhe mai i ngā tūponotanga o te silicosis.