Another process basic to human need is mixing, for example kneading dough for bread, surely a process used in almost every civilization in known history, and mentioned as early as Genesis in the Bible.

• 另一个与人类基本要求有关的过程是混合，例如做面包就要和面。显然这是一个人类有史以来在每一个文明世界都要用到的过程，而且早在一卷中即已提及。