Modular design, or modularity in design, is a design principle that subdivides a system into smaller parts called modules (such as modular process skids), which can be independently created, modified, replaced, or exchanged with other modules or between different systems.
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π Modular design in the context of Combat helmet
A combat helmet, also called a ballistic helmet, battle helmet, or helmet system (for some modular accessory-centric designs) is a type of helmet designed to serve as a piece of body armor intended to protect the wearer's head during combat.
Helmets designed for warfare are among the earliest types of headgear to be developed and worn by humans, with examples found in several societies worldwide, the earliest of which date as far back as the Bronze Age. Most early combat helmets were designed to protect against close-range strikes, thrown objects, and low-velocity projectiles. By the Middle Ages, helmets that protected the entire head were common elements of plate armor sets. The development of firearms, cannons, and explosive weaponry rendered armor intended to protect against enemy attack largely obsolete, but lightweight helmets remained for identification and basic protection purposes into the late 19th and early 20th centuries, when developments in modern warfare saw a renaissance of combat helmets designed to protect against shrapnel, debris, and some small-caliber firearm munitions. Since the late 20th and early 21st centuries, helmets have evolved to protect against explosion shock waves and provide a mounting point for devices and accessories such as night-vision goggles and communications equipment.
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Modular design in the context of Heckler & Koch G3
The Heckler & Koch G3 (German: Gewehr 3) is a select-fire battle rifle chambered in 7.62Γ51mm NATO developed in the 1950s by the German firearms manufacturer Heckler & Koch, in collaboration with the Spanish state-owned firearms manufacturer CETME. The G3 was the service rifle of the German Bundeswehr until it was replaced by the Heckler & Koch G36 in the 1990s, and was adopted into service with numerous other countries.
The G3 has been exported to over 70 countries and manufactured under license in at least 15 countries. Over 7.8 million G3s have been produced. Its modular design was used for several other HK firearm models, including the HK21, MP5, HK33, PSG1, and G41.
Modular design in the context of Kitchen
A kitchen is a room or part of a room used for cooking and food preparation in a dwelling or in a commercial establishment. A modern middle-class residential kitchen is typically equipped with a stove, a sink with hot and cold running water, a refrigerator, and worktops and kitchen cabinets arranged according to a modular design. Many households have a microwave oven, a dishwasher, and other electric appliances. The main functions of a kitchen are to store, prepare and cook food (and to complete related tasks such as dishwashing). The room or area may also be used for dining (or small meals such as breakfast), entertaining and laundry. The design and construction of kitchens is a huge market all over the world.
Commercial kitchens are found in restaurants, cafeterias, hotels, hospitals, educational and workplace facilities, army barracks, and similar establishments. These kitchens are generally larger and equipped with bigger and more heavy-duty equipment than a residential kitchen. For example, a large restaurant may have a walk-in refrigerator and a large commercial dishwashing machine. In some instances, commercial kitchen equipment such as commercial sinks are used in household settings as they offer ease of use for food preparation and high durability.
Modular design in the context of Heckler & Koch MP5
The Heckler & Koch MP5 (German: Maschinenpistole 5, lit.β'Submachine gun 5') is a submachine gun developed in the 1960s by German firearms manufacturer Heckler & Koch. It uses a similar modular design to the Heckler & Koch G3, and has over 100 variants and clones, including selective fire, semi-automatic, suppressed, compact, and even marksman variants. The MP5 is one of the most widely used submachine guns in the world, having been adopted by over forty nations and numerous militaries, police forces, intelligence agencies, security organizations, paramilitaries, and non-state actors.
Attempts at replacing the MP5 by Heckler & Koch began in the 1980s, but despite functional prototype weapons having promising performance, a formal successor did not enter commercial production until 1999, when Heckler & Koch developed the UMP. However, despite being more expensive, the MP5 remained the more successful of the two designs, because of its preexisting widespread use, design familiarity, and lower recoil due to its roller-delayed action as opposed to the UMP's straight blowback action.
Modular design in the context of Unix
Unix (/ΛjuΛnΙͺks/ , YOO-niks; trademarked as UNIX) is a family of multitasking, multi-user computer operating systems that derive from the original AT&T Unix, whose development started in 1969 at the Bell Labs research center by Ken Thompson, Dennis Ritchie, and others. Initially intended for use inside the Bell System, AT&T licensed Unix to outside parties in the late 1970s, leading to a variety of both academic and commercial Unix variants from vendors including University of California, Berkeley (BSD), Microsoft (Xenix), Sun Microsystems (SunOS/Solaris), HP/HPE (HP-UX), and IBM (AIX).
The early versions of Unixβwhich are retrospectively referred to as "Research Unix"βran on computers such as the PDP-11 and VAX; Unix was commonly used on minicomputers and mainframes from the 1970s onwards. It distinguished itself from its predecessors as the first portable operating system: almost the entire operating system is written in the C programming language (in 1973), which allows Unix to operate on numerous platforms. Unix systems are characterized by a modular design that is sometimes called the "Unix philosophy". According to this philosophy, the operating system should provide a set of simple tools, each of which performs a limited, well-defined function. A unified and inode-based filesystem and an inter-process communication mechanism known as "pipes" serve as the main means of communication, and a shell scripting and command language (the Unix shell) is used to combine the tools to perform complex workflows.