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An excavator is a heavy piece of construction equipment that is used in excavating. Also needed would be a dredger which are used for excavating underwater.
Excavation is the process of digging and removing materials from the ground, which can involve digging deep holes or removing large amounts of soil. Trenching specifically refers to the process of digging long, narrow ditches, typically used for laying pipes, cables, or other utilities underground. Excavation is a broader term that can include trenching as one of its methods.
Archaeologists use Trigonometry to divide up the excavation sites properly into equal areas of work. They can also use it to help them identify different tools used by the civilization are they are excavating. They can also use it to measure the distance from underground water systems near their dig site.
IS 3764-Safety code for excavation work
There are three main types of excavation: topsoil excavation, rock excavation, and muck excavation. Topsoil excavation involves removing the top layer of soil; rock excavation involves breaking and removing solid rock; and muck excavation involves digging soft, wet, and unstable soil.
Tenochtitlan was the capital of the Aztec Empire until it was captured by the Spanish in 1521. Today, the ruins of Tenochtitlan are in the historic center of Mexico City.
its used to dig holes
=It took about 1000 people adding the slaves they used.=
The materials are the following:woodstonedirtgold
Tenochtitlan.
A backfill is the material which has been used to refill and excavation.
Present-day Mexico city is located atop the ruins of ancient Tenochtitlan.