Izazinzulu zaseBrazil zijonge ukuba nokwenzeka kokuguqula udaka lwenkunkuma ukusuka kwimveliso yelaphu ibe yimathiriyeli ekrwada kushishino lweceramic yemveli, banethemba lokuba bobabini baya kunciphisa impembelelo yoshishino lwamalaphu kunye nokudala izinto ezintsha ezizinzileyo zokwenza izitena kunye neethayile.