A tunnel boring machine was built and certified for tunneling service in 2007 and then in 2014, it was decertified for tunneling service because it was no longer working and was disposed of.
The tunnel boring...
A tunnel boring machine can only move forward 8 times in increments of 4’s to successfully bore a 500-foot tunnel before the cutter-head needs to be replaced, which cannot happen.
How can that be done?
Justin, a civil engineer and Mark, a doctor, are both in love with the same woman named Jessica.
Both Justin and Mark know of each other and are in competition to win Jessica's heart.
Justin had scheduled...
Tunnel Boring Machine A is in 2nd place in a race to finish a tunnel.
Tunnel Boring Machine B comes along-side Tunnel Boring Machine A and passes it.
What is Tunnel Boring Machine B's current place in...
A Tunnel Boring Machine (TBM) and a crane together cost $1,100,000.
The TBM costs $1,000,000 more than the crane.
How much does the crane cost?
Many people respond by saying that the crane must cost $100,000. Is this...