These structures collect water in a tank, and store it long enough to let particles sink to the bottom before the water moves to the infiltration trench. Sometimes the water propagates through the ...

While wheels may have an advantage on roads and paved surfaces, tank treads are more suited to unpaved and muddy arenas.

MOSCOW, March 3. /TASS/. Ukrainian forces began building the second line of anti-tank trenches in the Rovno Region within the reinforcement of fortifications on the Ukrainian-Belarusian border ...

TASS/. Ukraine has dug out about 400 kilometers of anti-tank trenches on the border with Russia under a project codenamed Wall, Sergey Deineko, who heads the state border guard service ...