strain; strained; strainer; straining at the leash; All ENGLISH synonyms that begin with 'S'
Anything interfering with the strength of the compressive stress waves (7) during operation such as. blank-firing (free-running) or prying with the tool, can lower breaker performance and cause tool. fatigue. The breaker must be at a 90Â° angle to the face of the rock. (D)Blank-firing. Blank-firing the breaker without the tool pressing on a rock causes the energy that normally travels. out the tool into the rock (8), to impact the retainer pins (9) and front head causing excess stress to. these components.
View Full Document. Foliated or non-foliated o Amphibolite 3. Know the common parent (protolith) rocks. ï· Every metamorphic rock has a parent rock (the rock type that was metamorphosed). ï· Parent rocks can be any of the three main rock types: igneous rock, sedimentary rock, or even metamorphic rock.