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  2. Composite overwrapped pressure vessel - Wikipedia

    en.wikipedia.org/wiki/Composite_overwrapped...

    A COPV inside a sounding rocket. A composite overwrapped pressure vessel (COPV) is a vessel consisting of a thin, non-structural liner wrapped with a structural fiber composite, designed to hold a fluid under pressure.

  3. Backup rotation scheme - Wikipedia

    en.wikipedia.org/wiki/Backup_rotation_scheme

    A backup rotation scheme is a system of backing up data to computer media (such as tapes) that minimizes, by re-use, the number of media used.The scheme determines how and when each piece of removable storage is used for a backup job and how long it is retained once it has backup data stored on it.

  4. Fusion bonded epoxy coating - Wikipedia

    en.wikipedia.org/wiki/Fusion_bonded_epoxy_coating

    The second most important part of FBE coatings is the curing agent or hardener. Curing agents react either with the epoxy ring or with the hydroxyl groups, along the epoxy molecular chain. Various types of curing agents, used in FBE manufacture, include dicyandiamide, aromatic amines, aliphatic diamines and organic acid anhydrides. [6]

  5. FIFO (computing and electronics) - Wikipedia

    en.wikipedia.org/wiki/FIFO_(computing_and...

    Representation of a FIFO queue. In computing and in systems theory, first in, first out (the first in is the first out), acronymized as FIFO, is a method for organizing the manipulation of a data structure (often, specifically a data buffer) where the oldest (first) entry, or "head" of the queue, is processed first.

  6. FIFO - Wikipedia

    en.wikipedia.org/wiki/FIFO

    FIFO in stock rotation, particularly to avoid food spoilage; FIFO (computing and electronics), a method of queuing or memory management Queue (abstract data type), data abstraction of the queuing concept; FIFO and LIFO accounting, methods used in managing inventory and financial matters

  7. Gas cylinder - Wikipedia

    en.wikipedia.org/wiki/Gas_cylinder

    Gas storage cylinders may also be called bottles. Inside the cylinder the stored contents may be in a state of compressed gas, vapor over liquid, supercritical fluid, or dissolved in a substrate material, depending on the physical characteristics of the contents. A typical gas cylinder design is elongated, standing upright on a flattened or ...

  8. Lego drops plans to make bricks from recycled plastic bottles

    www.aol.com/finance/lego-drops-plans-bricks...

    Lego has abandoned plans to make its famous bricks from recycled plastic bottles, saying that the manufacturing process would be more polluting than the current production of oil-based bricks.

  9. Mealy machine - Wikipedia

    en.wikipedia.org/wiki/Mealy_machine

    A Mealy machine is a 6-tuple (,,,,,) consisting of the following: . a finite set of states; a start state (also called initial state) which is an element of a finite set called the input alphabet