1 Subjects: “...National Science Foundation (NSF)...”

2 Subjects: “...National Benchmark Tests (NBT)...”

3 Subjects: “...national target...”

4 Subjects: “...national growth...”

5 Subjects: “...National School Lunch Program...”

6 Subjects: “...national park...”

7 Subjects: “... technology, Empirical study, Project, Projects (Learning Activities), Questionnaire survey, Cross-national...”

8 “...) urged nations to establish resilient occupational safety and health (OSH) systems to address future...”

9 “...Major concerns regarding health and the environment are at the heart of the United Nations...”

10 “... and exploit the deposit. The continuous development of national economies is related to the increasing demand...”

11 “... of society as engineers for the nation's burgeoning industries. Over the years, MIT expanded its mission...”