Content
@
0 reply
0 recast
0 reaction
Melika
@melikafrj
Tunnel building,TBM segment
37 replies
2 recasts
3 reactions
salsa 🎩🎭
@salsa
what is this dear ?
1 reply
0 recast
0 reaction
Melika
@melikafrj
A tunnel boring machine (TBM), also known as a "mole", is a machine used to excavate tunnels. Tunnels are excavated through hard rock, wet or dry soil, or sand, each of which requires specialized technology.
0 reply
0 recast
1 reaction
