This book discusses the biological effects of pollution in freshwater systems. It examines aquatic organisms, ecological changes caused by pollutants, and the impact of human activities on rivers and lakes.This book discusses the biological effects of pollution in freshwater systems. It examines aquatic organisms, ecological changes caused by pollutants, and the impact of human activities on ri…
A practical reference book that provides essential mathematical calculations used in machine design. It includes formulas, engineering principles, and worked examples to help engineers and students perform accurate mechanical design calculations.