Tunnel boring machine

Excavator – Wikipedia, the free encyclopedia

https://en.wikipedia.org/wiki/Excavator
Excavators are heavy construction equipment consisting of a boom, stick, bucket
…. Hydraulic excavator capabilities have expanded far beyond excavation tasks …


Tunnel boring machine

tunnel boring machine (TBM), also known as a “mole”, is a machine used to excavate tunnels with a circular cross section through a variety of soil and rock

a-glimpse-at-saskatoon-excavating-55274965A glimpse at saskatoon excavating
from SuanHilli, ago in
Paramount Equipment Services is your trusted Saskatoon Excavating and Heavy Equipment experts.

The Buzz: What’s going into that space?
Appleton Post Crescent, on Wed, 16 Dec 2015 12:36:30 -0800
It will be used to store our excavating and service equipment,” said Max Ogden, part of the family owned and operated business. “We own that land and we are planning on getting that rezoned after the New Year.” The location is in the Town of Neenah.

How to operate excavation equipment
Herbert Lownds Nichols, published 1954, 150 pages