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00:16, 11 March 2011: 786 × 499 (15 KB) Pen1234567 {{Information |Description ={{en|1=This is a diagram of a vacuum gas manifold with three-way stopcocks. The stopcock opens/closes the reaction line to an inert gas and opens/closes the reaction line to vacuum. The image was created using Inkscape v0.
A simple visualization of the forming process Vacuum forming machine to produce inner liner/food liner of refrigerator. Vacuum forming is a simplified version of thermoforming, where a sheet of plastic in various forms of High Impact Polystyrene Sheet (HIPS) for low impact products, or ABS for bathroom shower trays, and HDPE for exterior vehicle parts, plus various other types of vacuum ...
3: Still head 4: Thermometer/Boiling point temperature 5: Condenser 6: Cooling water in 7: Cooling water out 8: Distillate/receiving flask 9: Vacuum/gas inlet 10: Still receiver 11: Heat control 12: Stirrer speed control 13: Stirrer/heat plate 14: Heating (Oil/sand) bath 15: Stirrer bar/anti-bumping granules . 16: Cooling bath.
As a necessary means for visually conveying ideas, technical drawing has been in one form or another a part of human history since antiquity. The use of these early drawings was to express architectural and engineering concepts for large cultural structures: the temples, monuments, and public infrastructure.
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The largest disadvantage of the process is its slow forming rate. Cycle times vary from two minutes to two hours, therefore it is usually used in low volume production applications. [ 4 ] [ 1 ] Another disadvantage is the non-uniformity of the produced part thickness. [ 5 ]
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English: Diagram of a vacuum insulated evaporator. No refrigeration unit is needed for the storage vessel because the liquid oxygen remains cold due to the efficiency of the vacuum container and the loss of latent heat as oxygen vaporizes.