| 1 | Engineering Toolbox | The Engineering Toolbox is a comprehensive online resource designed for engineers, technicians, and anyone involved in technical projects. It provides an extensive collection of tools, calculators, and reference data related to a wide range of engineering fields, including mechanical, civil, electrical, and chemical engineering. |
| 2 | Encyclopedia | It is an online platform offering reliable articles and summaries on a wide range of topics like history, science, literature, health, and more. |
| 3 | Noise Pollution Clearinghouse | it is a resource-focused website advocating for quieter environments by raising awareness about noise pollution and its impacts. |
| 4 | Medical News Today | It offers accurate and up-to-date articles on health, medicine, nutrition, and wellness topics. |
