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Locker

Locker is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Locker rather than just read about it. In short: A locker is a small, usually narrow storage compartment. They are commonly found in dedicated cabinets, very often in large numbers, in various public places such as locker rooms, workplaces, schools, transport hubs and the like.

Locker — main illustration
Locker — illustration

Key takeaways

  • Locker belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Locker to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Locker from memory before moving on to harder problems.

Reference excerpt

A locker is a small, usually narrow storage compartment. They are commonly found in dedicated cabinets, very often in large numbers, in various public places such as locker rooms, workplaces, schools, transport hubs and the like. They vary in size, purpose, construction, and security.

General description and characteristics Lockers are normally quite narrow, of varying heights and tier arrangements. Width and depth usually conform to standard measurements, although non-standard sizes are occasionally found. Public places with lockers often contain large numbers of them, such as in a school. They are usually made of painted sheet metal. The characteristics that usually distinguish them from other types of cabinet or cupboard or storage container are:

They are usually equipped with a lock, or at least a facility for padlocking (occasionally both). They are usually intended for use in public places, and intended for the short- or long-term private use of individuals for storing clothing or other personal items. Users may rent a locker for a single use or for a period of time for repeated use. Some lockers are offered as a free service to people partaking of certain activities that require the safekeeping of personal items. There are usually, but not always, several of them joined. Lockers are usually physically joined side by side in banks, and are commonly made from steel, although wood, laminate, and plastic are other materials sometimes found. Steel lockers which are banked together share side walls, and are constructed by starting with a complete locker; further lockers may then be added by constructing the floor, roof, rear wall, door, and just one extra side wall, the existing side wall of the previous locker serving as the other side wall of the new one. The walls, floors, and roof of lockers may be either riveted together (the more traditional method) or, more recently, welded together. Locker doors usually have some kind of ventilation to provide for the flow of air to aid in cleanliness. These vents usually take the form of a series of horizontal angled slats at the top and bottom of the door, although sometimes parallel rows of small square or rectangular holes are found instead, running up and down the door. Less often, the side or rear walls may also have similar ventilation. Locker doors usually have door stiffeners fixed vertically to the inside of the door, in the form of a metal plate welded to the inner surface, and protruding outward a fraction of an inch, thus adding to the robustness of the door and making it harder to force open. Lockers are often manufactured by the same companies who produce filing cabinets, stationery cabinets (occasionally wrongly referred to as lockers), steel shelving, and other products made from sheet steel.

Variable characteristics of lockers

There are a number of features or characteristics which may vary in lockers. Because purchasers will need to specify what they want in each of these when ordering, it is more common to order a particular configuration rather than buy "off the shelf" in a shop, although certain very common configurations can be found in shops fairly easily. These features include:

… excerpt ends here. Continue reading the full article.

Illustrations

Locker: Keyless lockers (Japan)
Keyless lockers (Japan)
Locker: Lockers made of metal (Victoria Harbour, Hong Kong)
Lockers made of metal (Victoria Harbour, Hong Kong)
Locker: School lockers found in National University of Singapore, Singapore.
School lockers found in National University of Singapore, Singapore.
Locker: Change room lockers
Change room lockers
Locker: Shoes locker in Jade Pagoda (Amarapura, Mandalay).
Shoes locker in Jade Pagoda (Amarapura, Mandalay).

Worked examples

Example 1 — a first encounter with Locker

Start with the simplest possible case. Write down what Locker claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Locker before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Locker ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Locker

In research
Locker appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Locker in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Locker is common in secondary-school and first-year university syllabi. It links to neighbouring topics Cabinets (furniture), Furniture, Office equipment, so understanding it makes those chapters shorter.
In everyday life
Look for Locker outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Locker in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Locker means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Locker out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Locker in simple terms?

A locker is a small, usually narrow storage compartment. They are commonly found in dedicated cabinets, very often in large numbers, in various public places such as locker rooms, workplaces, schools, transport hubs and the like.

Why does Locker matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Locker?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Locker.

Tags

  • Cabinets (furniture)
  • Furniture
  • Office equipment
  • Self storage

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