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2. Sika AG - Wikipedia

   en.wikipedia.org/wiki/Sika_AG

   Sika AG is a Swiss multinational specialty chemical company that supplies to the building and motor vehicle industries, headquartered in Baar, Switzerland. The company develops and produces systems and products for bonding, sealing, damping, reinforcing and protecting.

3. Compact tension specimen - Wikipedia

   en.wikipedia.org/wiki/Compact_tension_specimen

   The stress intensity factor at the crack tip of a compact tension specimen is [4] = [() / / + / / + /] where is the applied load, is the thickness of the specimen, is the crack length, and is the effective width of the specimen being the distance between the centreline of the holes and the backface of the coupon.

4. Environmental stress cracking - Wikipedia

   en.wikipedia.org/wiki/Environmental_stress_cracking

   Crazes (surface cracks) produced by ESC in PMMA drinking beaker. Environmental Stress Cracking (ESC) is one of the most common causes of unexpected brittle failure of thermoplastic (especially amorphous) polymers known at present. According to ASTM D883, stress cracking is defined as "an external or internal crack in a plastic caused by tensile ...

5. Crack arrestor - Wikipedia

   en.wikipedia.org/wiki/Crack_arrestor

   A crack arrestor (otherwise known as a rip-stop doubler) is a structural engineering device. Being typically shaped into ring or strip, and composed of a strong material, it serves to contain stress corrosion cracking or fatigue cracking, helping to prevent the catastrophic failure of a device.

6. Poison Profits -- The Lead Paint Blame Game - The Huffington Post

   projects.huffingtonpost.com/lead-paint-nyc

   The housing department has “the ability to crack down and bring actions against these landlords, but they haven’t been that proactive.” When housing inspectors cite landlords for dangerous lead conditions, the department requires landlords to make repairs but doesn’t automatically issue fines, an HPD spokeswoman said via email.

7. Pigging - Wikipedia

   en.wikipedia.org/wiki/Pigging

   After the pigging run has been completed, the positional data from the external sensors is combined with the pipeline evaluation data (corrosion, cracks, etc.) from the pig to provide a location-specific defect map and characterization. In other words, the combined data reveals to the operator the location, type and size of each pipe defect.