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In mechanical engineering, an end-face mechanical seal (often shortened to mechanical seal) is a type of seal used in rotating equipment, such as pumps, mixers, blowers, and compressors. When a pump operates, the liquid could leak out of the pump between the rotating shaft and the stationary pump casing. Since the shaft rotates, preventing this ...
A hermetic seal is any type of sealing that makes a given object airtight (preventing the passage of air, oxygen, or other gases).The term originally applied to airtight glass containers, but as technology advanced it applied to a larger category of materials, including rubber and plastics.
The second hydrostatic seal was an attempt to resolve first generation hydrostatic seal problems: erosion of seals, high pressure build up, and stagnant fluids. Second generation hydrostatic seals had a redesigned seal face; new face control grooves were added to help stabilize the seals while under extreme conditions.
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A traditional snickerdoodle recipe includes unsalted butter, granulated sugar, eggs, all-purpose flour, cream of tartar, baking soda and salt.
A new study found the biggest risk factors and predictors at 60 for dementia at 80. Neurologists weigh in on the research and share ways to prevent dementia.
As the year comes to a close, experts from the Alzheimer's Association reflect on some of the hopeful advances in diagnosis, treatment and risk management that have been made in 2024.
NS 7200–7228 Vale 101-107 Indian Railways 50001-50007: ... (NS 3425–3447) for CSX's remaining 12 SD80MACs, leaving NS as the model's sole operator. They were ...