1 Subjects: “...cycling...”

2 Subjects: “...Life cycle assessment (LCA)...”

3 Subjects: “...urban water cycle...”

4 Subjects: “...life cycle assessment...”

5 Subjects: “...Krebs cycle design...”

6 Subjects: “...Krebs cycle design...”

7 “... technologies, implementation of life cycle analysis, upgradation and optimization of the entire production line...”

8 “... that constantly interact with each other within the Earth's hydrologic cycle. Many studies utilized observations...”