Application of the mass diagram in construction

Educational resource in English about the application of mass diagrams in construction. It explains what a mass diagram is, its key features (cut/fill indications, peaks, valleys, balance lines), and how it informs haul length/direction, average haul, borrow and waste. The unit includes reading comprehension with MCQs, pronunciation of keywords with audio, gap-fill practice, speaking prompts, a related video activity, grammar focus on countable/uncountable nouns, and a Kahoot review, aimed at understanding terminology and practical use in project planning.