1. Unit 4. Properties of materials. 2. Outline Raw materials, processed materials and technological objects. Properties of materials: 3. Raw materials Those materials…
My life would be immediately different because I'd have more time than I've had in the past 10 years it would take getting use to. My life would be immediately…
Waste collecting: Treatment of urban waste consists of collecting all kinds of waste left in the street containers and its transport to the corresponding treatment plants.…