Commercial soaps are made from a great variety of substances, such as tallow, lard, castor oil, coconut oil, olive oil, etc. 伯莎M.克拉克.科学通论.
The kernels are used as food in a number of different forms, and when pressed, they yield an oil which is largely used in candle making and in the manufacture of soaps. 佚名.神奇的知识之书.
Within the last few years liquid soaps have come into favor, especially in schools, railroad stations, and other public places, where a cake of soap would be handled by many persons. 伯莎M.克拉克.科学通论.
Different varieties of soaps appeared, of which the hard soap was the most popular, owing to the ease with which it could be transported. 伯莎M.克拉克.科学通论.