Are available in size Stoneware sewers A. 10 cm B. 15 cm C. 20 cm D. All the above

The correct answer is D. All the above.

Stoneware sewers are available in a variety of sizes, including 10 cm, 15 cm, and 20 cm. The size of the sewer is determined by the diameter of the pipe. The larger the diameter of the pipe, the more water it can carry.

Stoneware sewers are made of a durable material that can withstand the elements. They are also resistant to corrosion and cracking. Stoneware sewers are a good choice for a variety of applications, including residential, commercial, and industrial settings.

Here are some additional details about each option:

• Option A: 10 cm stoneware sewers are a good choice for small applications, such as residential homes. They are also a good choice for applications where space is limited.
• Option B: 15 cm stoneware sewers are a good choice for medium-sized applications, such as commercial buildings. They are also a good choice for applications where there is a moderate amount of water flow.
• Option C: 20 cm stoneware sewers are a good choice for large applications, such as industrial facilities. They are also a good choice for applications where there is a high amount of water flow.