In the natural sciences, a primary source could be defined as a report of original findings or ideas. These sources often appear in the form of research articles with sections on methods and results..
crampon - a hinged pair of curved iron bars; used to raise heavy objects crampoon grapnel, grapple, grappling hook, grappling iron, grappler - a tool consisting of several hooks for grasping and holding; often thrown with a rope
An inwards split or break in a rock face. Crack climbing - n. the act of climbing continuous cracks in the rock often requiring specific techniques and protection methods. Crampons - n. Meal spikes which attach onto climbing boots to allow a firm grip on snow or ice. Crank - v. Slang for pulling on a hold at your maximum power. Crash pad - n.