Which of the following is not a common material for drain pipes?

Glass is not a common material for drain pipes primarily due to its vulnerability to breakage and its lack of flexibility in handling various stresses associated with plumbing applications. While glass can technically be used in certain specialized applications, such as in laboratory settings or as part of specific fixtures, it does not possess the durability and impact resistance required for typical drain pipe usage.

In contrast, ABS plastic, cast iron, and copper are widely recognized materials in plumbing systems. ABS plastic is favored for its lightweight and resistance to corrosion, making it ideal for residential drain and waste systems. Cast iron is valued for its strength and durability, especially in commercial and heavy-duty applications, while copper is used for its antimicrobial properties and reliability in various plumbing configurations. Each of these materials plays an important role in plumbing, but glass does not meet the necessary criteria for being a practical choice for drain pipes.