What are the different layers of a typical airplane window, and what are the materials used for each layer?
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what is porthole Informational
- Are there specific tools or equipment required for porthole maintenance and repair?
- What types of batteries are typically used in battery-operated porthole clocks?
- Has the term "porthole" been adapted for use in computer interfaces or software design?
- How have portholes been used as a narrative device in literature to symbolize confinement or a limited perspective?
- When did the design of the modern porthole begin to emerge?
- Why are spacecraft windows often relatively small and located in specific areas of the spacecraft?
- What are the properties of the seals used in watertight portholes (e.g., rubber, neoprene)?
- What are some contemporary innovations in porthole technology, such as improved sealing materials or energy-efficient glazing?
- Is there a metaphorical use of the word "porthole"?
- Can portholes be equipped with screens to prevent insects from entering when open?
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