Sodium hydroxide is widely used in the manufacturing of paper and pulp, where it helps break down wood fibers to produce paper products. In the chemical industry, it serves as a key ingredient in the production of soap and detergents, aiding in the saponification process. It is also utilized in water treatment facilities to adjust pH levels and neutralize acidic water. Additionally, sodium hydroxide plays a crucial role in the food industry for cleaning and peeling fruits and vegetables, as well as in the production of cocoa and chocolate. In petroleum refining, it is used to remove impurities and sulfur compounds from oil. Its strong alkaline nature makes it effective in cleaning and unclogging drains and pipes in household and industrial settings.