| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| Hanging bolts | Mining | Rods of round iron, used in shaft construction to suspend wallplates. In concrete-lined shafts hanging rods give reinforcement, the top set being concreted into the shaft collar and others hooked on below, with periodic consolidation in strong rock strata as the shaft is deepened. Sometimes called hangers. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
