As verbs the difference between cane and crutch. is that cane is to strike or beat with a cane or similar implement while crutch is to support on crutches; to prop up.
Types of Pipes. Pipes come in several types and sizes. They can be divided into three main categories: metallic pipes, cement pipes and plastic pipes. Metallic pipes include steel pipes, galvanised iron pipes and cast iron pipes. Cement pipes include concrete cement pipes and asbestos cement pipes.
Old water pipe, remnant of the Machine de Marly near Versailles, France. For many centuries, lead was the favoured material for water pipes, because its malleability made it practical to work into shape (this use was so common that the word  plumbing  derives from the Latin word for lead).