America's secret machine! They drill the mountain in one day!

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[@user-dm2ju2tv3l]

"Секретная машина"? В общем доступе? Очень секретно?

[@claudiocolledani7921]

they are simply called :TBM tunnel boring machines

[@greggferstay5673]

IN BAD GROUND - THEY ERECT CONCRETE RINGS BEHIND THE CUTTER HEAD AS THE TUNNELS ADVANCE FOR SUPPORT - I WORKED AS AN UNDER GROUND SHIFTBOSS HERE IN BRITISH COLUMBIA SINCE 1980 - MY CERTIFICATE - UG 911

[@markramsell454]

Nice cutaway views, most things TBMs do are difficult to see from just inside.

[@jean-marccaudrelier17]

Des machines incroyables en une journée ils arrivent à percer dans la montagne cet impensable ses un boulot monstres ,j'aurai aimé voir ça, c'est fantastique.

[@user-pn7dw1sn4u]

Это не фантастика. Это неправда или просто журналистское преувеличение. Да, скорость проходки у них может достигать 10-12 метров в сутки, а может и чуть больше.

[@AgricultureTechUS]

Couldn't agree more! It's an exciting and thrilling adventure.

[@axeleration1092]

Salut En 1 journee !!!! Et encore ils ont perdu du temps ils devaient faire le plein des machines et graisser les axes ^^ A+elR

[@joseariascortez2015]

Es cuento, si fuera cierto perforarian el canal de Panamá

[@user-dz9bp2hc8r]

Вот только поезда сходят с рельс почти каждый день

[@wasimunaries8002]

Tehnik kontruksi,,Amerika kalah dari China

[@user-pr4cj1qr7g]

Секретная машина Америки!😀😀😀😀😀😀 насмешили

[@larrysorenson4789]

It is not a “secret”. It is more like nobody really cares. Just a company filling a need and making a profit. Buy American

[@belomolnar2128]

There were 8 pieces of TBM involved in London ´s Elisabeth Line. 🚂🚂🚂

[@m9ovich785]

The Robot ruins what would be a GREAT Video. Music is louder than it is.. Audio does not match Video in Many clips either... and too Much reused "B" roll.

[@larryschweitzer4904]

That horrid noise on this video made me move on to something with better production values!

[@jorgecifuentesarcila9335]

Señores en micasa hay una de sarmada y botada

[@pkfan5112]

This video tortures our eyes

[@paulofrancisco565]

👍👍👏👏👌👌🇧🇷🇧🇷

[@t0916118432]

中橫隧道🎉

[@user-kj8gi2fk7q]

За 15минут

[@hariyonosantoso5744]

😮😮😢😊

[@Umnaya_Sova]

ПРО 1 ДЕНЬ БУРЕНИЯ ЭТО СКАЗКИ...

[@claem1755]

no inventen china tiene la maquina que perfora una montaña en un dia