| Webster's Online Dictionary |
| Expressions | Domain | Definition | |
| False-leg arches | Mining | Temporary arch legs used adjacent to the face conveyor in an advance gate to allow the conveyor to be moved forward and still maintain the gate supports. The conveyor side half-arch is temporarily replaced by props and crossbars (false legs). When the conveyor has passed, the half-arch is bolted back in position. (references) | |
Source: compiled by the editor from various references; see credits. | Top | ||
