[2026] PTE Academic Listening - Fill in the Blanks (Type In)

Roman engineering remains a remarkable testament to ancient innovation and architectural prowess. The construction of extensive allowed for the transport of fresh water over vast distances to support growing urban centers. These structures relied on the precise of gravity and slope to ensure a steady flow of water. Furthermore, the use of the enabled Roman builders to create bridges and temples of unprecedented scale and strength. Another significant was the development of hydraulic cement, which allowed for underwater construction. This durable material has for millennia, providing modern engineers with insights into long-lasting building techniques. Understanding these ancient highlights the enduring legacy of classical engineering.