screw-type roof bolting
1building construction — Techniques and industry involved in the assembly and erection of structures. Early humans built primarily for shelter, using simple methods. Building materials came from the land, and fabrication was dictated by the limits of the materials and… …
2Glossary of climbing terms — This page describes terms and jargon related to climbing and mountaineering. Contents: Top · 0–9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z A …
3Architecture and Civil Engineering — ▪ 2009 Introduction Architecture For Notable Civil Engineering Projects in work or completed in 2008, see Table (Notable Civil Engineering Projects (in work or completed, 2008)). Beijing was the centre of the world of architecture… …
4Bolt — usually refers to a type of fastener.Bolt may refer to:Fasteners* A cap screw, as used in a bolted joint * Screw, a cylindrical threaded fastener * Deadbolt, a kind of locking mechanism * Bolt (climbing), an anchor point used in rock… …
