Answer:
The Romans constructed aqueducts throughout their Republic and later Empire, to bring water from outside sources into cities and towns. ... Aqueducts moved water through gravity alone, along a slight overall downward gradient within conduits of stone, brick, or concrete; the steeper the gradient, the faster the flow.
Answer:
<h3>Often it will be just an outline. ... In geometry, diagrams ( figures) made of lines are used to prove theorems ... and a table of figures is a list or the drawings and diagrams in the book.</h3><h3>Triangles are particularly useful as spatial dividers, but other elements (diagonals, open curves) can perform the role as well.</h3>
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