is a major concern due to the occurrence of the cracking phenomenon. It looks into this issue by exploring its composition, factors that determine its durability, maintenance issues and how it can crack.

https://shopcdnpro.grainajz.com/category/86125/288/c693afe2c0e06ca473df4bc261d30005/154fcfca-0b3a-43a7-980a-1337146e0400.png