The outside retaining wall and catch fence were replaced. The outside retaining wall was also replaced. The roll cage collapsed after hitting the retaining wall. This erosion needs to be checked by building a retaining wall. This reduction lowers the pressure on the retaining wall. A basement wall is thus one kind of retaining wall. The vehicle went over the concrete retaining wall. It could impede fluid flow, as a part of a retaining wall. At one point Gary became so agitated he pushed down a retaining wall. The stone retaining wall had projecting stone towers spaced about every . Stones from an excavation can be used in a retaining wall. The other is located against the monastery retaining wall at the south of the oratory. These methods of retaining wall construction employ bored piling techniques, normally CFA or rotary. The Mughals also added art galleries and a retaining wall around the well. Every retaining wall supports a "wedge" of soil.