Why relativity does not applies in Industry???

Another question i dont understand from our teacher

If relativity is so good, and accordingly, you can put a large train
into a small tunnel

whi relativity does not apply in industry, whereas often you need to
put a large train into a small tunnel???
.

Relevant Pages

  • Re: Why relativity does not applies in Industry???
    ... If relativity is so good, and accordingly, you can put a large train ... whi relativity does not apply in industry, ... tunnel that way. ...
    (sci.physics.relativity)
  • Re: Why relativity does not applies in Industry???
    ... If relativity is so good, and accordingly, you can put a large train ... whi relativity does not apply in industry, ... You can't stop/store the large train in the small tunnel. ...
    (sci.physics.relativity)
  • Re: Eurostar breakdowns.
    ... is causing these Eurostar trains to break down in the Channel Tunnel ... Snow built up on ventilation panels for equipment compartments. ... When the train has run through the tunnel, ... Flights across Europe and at least one to India were cancelled. ...
    (uk.railway)
  • Re: Germany railways is planning to run to London St P!!!!!
    ... train that caught fire in the Tunnel and minimised risk to passengers ... aboard other trains that were in the Tunnel at that time. ... Has the train in question been split in two parts, ... When did that fire happen? ...
    (uk.railway)
  • Re: CTRL speed reduction in tunnels?
    ... As with most things in life, the maximum sustained speeds in ... Areodyanmic effects are considerable as a train travelling in a bore is ... As building any tunnel is extremely expensive, ...
    (uk.railway)