caving rock
1Rock-climbing equipment — Rock climbing History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …
2Caving in New Zealand — is an established hobby as well as being a part commercial tourism. Recreational caving is practised by several hundred members of caving associations all over New Zealand, who take advantage of the widespread limestone karst cave systems present …
3Rock climbing — History Styles Technique Equipment and protection Grades (difficulty of climb) Terminology Belaying Abseiling …
4rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] * * * ▪ mining in tunneling and underground mining, steel rod… …
5rock bolt — Mining, Civ. Engin. a steel or fiberglass bolt inserted and anchored in a hole drilled in rock to prevent caving of the roof of a tunnel or subterranean chamber. [1955 60] …
6Underground mining (hard rock) — A three dimensional model of an underground mine with shaft access Underground hard rock mining refers to various underground mining techniques used to excavate hard minerals, mainly those containing metals[1] such as ore containing gold …
7Dinas Rock — (Welsh: Craig y Ddinas, Fortress Rock ) is a high promontory of carboniferous limestone which rises between the Afon Mellte and its left bank tributary, the Afon Sychryd on the border between the county of Powys and the county borough of Neath… …
8Mining rock mass rating — Laubscher developed the Mining Rock Mass Rating (MRMR)[1][2][3][4][5] system by modifying the Rock Mass Rating (RMR) system of Bieniawsk …
9Dhowa rock temple — is one of the heritage sites in Sri Lanka, situated in central mountain of Uva province. Dhowa is small ancient village which is situated on Badulla, Bandarawela main road. This Temple is situated 210 km east of Colombo and 120 km south …
10National Outdoor Leadership School — The National Outdoor Leadership School (NOLS), is a non profit outdoor education school based in the United States dedicated to teaching environmental ethics, technical outdoor skills, safety and judgment, and leadership on extended wilderness… …
