Помогите пожалуйста, нужно написать 5-6 предложений на тему «Какие материалы люди…

People process garbage not to contaminate the nature.People clear water to drink the pure.People melt metals for the purpose of creation of the new equipment, machines.People process a stone, that использоватиь it as a basis for construction of buildings and creation of a new material.People process oil to receive fuel.People process gas to use a zagovy plate and fuel.