Significats de using tunnels en anglès

Israel says Hamas is using tunnels to bring in weaponry.

Palestinians are using tunnels to bring in supplies from Egypt.

It also mentioned the options of using tunnels and canals.

Coal mining companies started this practice when there were no more veins of coal near the surface and using tunnels and shafts became prohibitively expensive.

Using tunnels to create extra space is far from a new idea.