safe+and+sound
131tunnels and underground excavations — ▪ engineering Introduction Great tunnels of the world Great tunnels of the worldhorizontal underground passageway produced by excavation or occasionally by nature s action in dissolving a soluble rock, such as limestone. A vertical opening …
132Science and the Church — • Dicsusses the relationship between the two subjects Catholic Encyclopedia. Kevin Knight. 2006. Science and the Church Science and the Church …