Используйте «caoutchouc» в предложении
caoutchouc примеры предложений
caoutchouc
1. And more of the drug-shelf, laudanum, caoutchouc, or hog's-lard
2. He busied himself with great questions: the social problem, moralisation of the poorer classes, pisciculture, caoutchouc, railways, etc
