Lifting The Veil – The Politics Of Television
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Lifting The Veil – The Politics Of Television
Lifting may refer to: *Manual handling of loads *Raising objects upwards, for example with lifting equipment *Weightlifting, lifting weights for exercise and sport, including: **Olympic weightlifting, an Olympic sport that tests explosive strength **Powerlifting, a sport that tests limit strength **Weight training, a way of increasing strength * An undesirable type of movement in the sport of racewalking *Shoplifting, an unnoticed theft of goods from an open retail establishment * Facelifting, a type of cosmetic surgery * Lift, a morphism in mathematics * Lifting theory, a notion in measure theory * Lifting scheme (wavelets) * Lambda lifting, meta-process that defines functions independently of each other in a global scope * Taking an inference rule in propositional logic and adapting it for predicate logic * Type lifting Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computat ...
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Manual Handling Of Loads
Manual handling of loads (MHL) or manual material handling (MMH) involves the use of the human body to lift, lower, carry or transfer Mechanical load, loads. The average person is exposed to manual lifting of loads in the work place, in recreational atmospheres, and even in the home. To properly protect one from injuring themselves, it can help to understand general body mechanics. Hazards and injuries Manual handling of materials can be found in any workplace from offices to heavy industrial and manufacturing facilities. Often times, manual material handling entails tasks such as lifting, climbing, pushing, pulling, and pivoting, all of which pose the risk of Back injury, injury to the back and other skeletal systems which can often lead to musculoskeletal disorders (MSDs). Musculoskeletal disorders can be defined as often involving Strain (injury), strains and sprains to the lower back, shoulders, and upper limbs. According to a United States Department of Labor, U.S. Depar ...
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Lifting Equipment
Lifting equipment, also known as lifting gear, is a general term for any equipment that can be used to lift and lower loads. Types of lifting equipment include heavy machinery such as the patient lift, overhead cranes, forklifts, jacks, building cradles, and passenger lifts, and can also include smaller accessories such as chains, hooks, and rope. Generally, this equipment is used to move material that cannot be moved with manual labor, and are tools used in most work environments, such as warehouses, and is a requirement for most construction projects, such as bridges and buildings. This equipment can also be used to equip a larger number of packages and goods, requiring less persons to move material. Lifting equipment includes any form of equipment that is used for vertical lifting, and equipment used to move material horizontally is not considered lifting equipment, nor is equipment designed to support. As lifting equipment can be dangerous to use, it is a common subject of sa ...
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Weightlifting
Weightlifting or weight lifting generally refers to physical exercises and sports in which people lift weights, often in the form of dumbbells, barbells or machines. People engage in weightlifting for a variety of different reasons. These can include: developing physical strength; promoting health and fitness; competing in weightlifting sports; and developing a muscular and aesthetic physique. Olympic weightlifting is a specific type of weightlifting sport practiced at the Olympic Games, commonly referred to simply as "weightlifting". Other weightlifting sports include stone lifting, powerlifting, kettlebell lifting, and para powerlifting—the weightlifting sport practiced at the Paralympic Games. Different weightlifting sports may be distinguished by the different ways of lifting a weight, and/or the objects lifted. Weightlifting events are key elements of strength athletics. Weight training is weightlifting to develop physical strength and/or a muscular physique. It i ...
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Olympic Weightlifting
Weightlifting (often known as Olympic weightlifting) is a competitive strength athletics, strength sport in which athletes compete in lifting a barbell loaded with weight plates from the ground to overhead, with the aim of successfully lifting the heaviest weights. Athletes compete in two specific ways of lifting the barbell overhead. The ''Snatch (weightlifting), snatch'' is a wide-grip lift, in which the weighted barbell is lifted overhead in one motion. The ''clean and jerk'' is a combination lift, in which the weight is first taken from the ground to the front of the shoulders (the ''clean''), and then from the shoulders to over the head (the ''jerk''). The sport formerly included a third lift/event known as clean and press. Each weightlifter gets three attempts at both the snatch and the clean and jerk, with the snatch attempted first. An athlete's score is the combined total of the highest successfully-lifted weight in kilograms for each lift. Athletes compete in various we ...
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Powerlifting
Powerlifting is a competitive strength athletics, strength sport that consists of three attempts at maximal weight on three lifts: Squat (exercise), squat, bench press, and deadlift. As in the sport of Olympic weightlifting, it involves the athlete attempting a maximal weight single-lift effort of a barbell loaded with weight plates. Powerlifting evolved from a sport known as "odd lifts", which followed the same three-attempt format but used a wider variety of events, akin to Strength athletics, strongman competition. Eventually, odd lifts became standardized to the current three. In competition, lifts may be performed equipped or unequipped (typically referred to as 'classic' or 'raw' lifting in the International Powerlifting Federation, IPF specifically). Equipment in this context refers to a supportive bench shirt or squat/deadlift suit or briefs. In some federations, knee wraps are permitted in the equipped but not unequipped division; in others, they may be used in both equip ...
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Weight Training
Strength training, also known as weight training or resistance training, is exercise designed to improve physical strength. It is often associated with the lifting of weights. It can also incorporate techniques such as bodyweight exercises (e.g., push-ups, pull-ups, and squats), isometrics (holding a position under tension, like planks), and plyometrics (explosive movements like jump squats and box jumps). Training works by progressively increasing the force output of the muscles and uses a variety of exercises and types of equipment. Strength training is primarily an anaerobic activity, although circuit training also is a form of aerobic exercise. Strength training can increase muscle, tendon, and ligament strength as well as bone density, metabolism, and the lactate threshold; improve joint and cardiac function; and reduce the risk of injury in athletes and the elderly. For many sports and physical activities, strength training is central or is used as part of their ...
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Racewalking
Race walking, or racewalking, is a long-distance discipline within the sport of athletics. Although a foot race, it is different from running in that one foot must appear to be in contact with the ground at all times. Race judges carefully assess that this is maintained throughout the race. However, if there is an argument between referee, a replay video must be reviewed to judge accordingly. Typically held on either roads or running tracks, common distances range from up to 100 kilometres (62.1 mi). The current race walking contests at the Summer Olympics are the 20 kilometres race walk (men and women) and the marathon race walk mixed relay, the latter of which debuted at the 2024 Summer Olympics. The 50 kilometres race walk (men only) was discontinued after the 2020 Summer Olympics. The biennial World Athletics Championships also features both 20 and 50 kilometer events, the 50 km walk for women being contested until 2019. The 50 km race walk was replaced by the ...
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Shoplifting
Shoplifting (also known as shop theft, shop fraud, retail theft, or retail fraud) is the theft of goods from a retail establishment during business hours. The terms ''shoplifting'' and ''shoplifter'' are not usually defined in law, and generally fall under larceny. In the retail industry, the word '' shrinkage'' (or ''shrink'') is used to refer to merchandise often lost by shoplifting. The term ''five-finger discount'' is an euphemism for shoplifting, humorously referencing stolen items taken "at no cost" with the five fingers. The first documented shoplifting started to take place in 16th century London. By the early 19th century, shoplifting was believed to be primarily a female activity. In the 1960s, shoplifting began to be redefined again, this time as a political act. Researchers divide shoplifters into two categories: boosters (professionals who resell what they steal), and snitches (amateurs who steal for their personal use). Shoplifters range from amateurs acting on ...
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Facelift
A facelift, technically known as a rhytidectomy (from the Ancient Greek () 'wrinkle', and () 'excision', the surgical removal of wrinkles), is a type of cosmetic surgery procedure intended to give a more youthful facial appearance. There are multiple surgical techniques and exercise routines. Surgery usually involves the removal of excess facial skin, with or without the tightening of underlying tissues, and the redraping of the skin on the patient's face and neck. Exercise routines tone underlying facial muscles without surgery. Surgical facelifts are effectively combined with eyelid surgery (blepharoplasty) and other facial procedures and are typically performed under general anesthesia or deep twilight sleep. According to the most recent American Society for Aesthetic Plastic Surgery facelifts were the third most popular aesthetic surgery in 2019, surpassed only by rhinoplasty and blepharoplasty. Cost varies by country where surgery is performed. Prices were quoted ranging ...
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Lift (mathematics)
In category theory, a branch of mathematics, given a morphism ''f'': ''X'' → ''Y'' and a morphism ''g'': ''Z'' → ''Y'', a lift or lifting of ''f'' to ''Z'' is a morphism ''h'': ''X'' → ''Z'' such that . We say that ''f'' factors through ''h''. Lifts are ubiquitous; for example, the definition of fibrations (see Homotopy lifting property) and the valuative criteria of separated and proper maps of schemes are formulated in terms of existence and (in the last case) uniqueness of certain lifts. In algebraic topology and homological algebra, tensor product and the Hom functor are adjoint; however, they might not always lift to an exact sequence. This leads to the definition of the Tor functor and the Ext functor. Covering space A basic example in topology is lifting a path in one topological space to a path in a covering space. For example, consider mapping opposite points on a sphere to the same point, a continuous map from the sphere covering the projective plane. A path ...
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Lifting Theory
In mathematics, lifting theory was first introduced by John von Neumann in a pioneering paper from 1931, in which he answered a question raised by Alfréd Haar. The theory was further developed by Dorothy Maharam (1958) and by Alexandra Ionescu Tulcea and Cassius Ionescu Tulcea (1961). Lifting theory was motivated to a large extent by its striking applications. Its development up to 1969 was described in a monograph of the Ionescu Tulceas. Lifting theory continued to develop since then, yielding new results and applications. Definitions A lifting on a measure space (X, \Sigma, \mu) is a linear and multiplicative operator T : L^\infty(X, \Sigma, \mu) \to \mathcal^\infty(X, \Sigma, \mu) which is a right inverse of the quotient map \begin \mathcal L^\infty(X,\Sigma,\mu) \to L^\infty(X,\Sigma,\mu) \\ f \mapsto \end where \mathcal^\infty(X,\Sigma,\mu) is the seminormed Lp space of measurable functions and L^\infty(X, \Sigma, \mu) is its usual normed quotient. In other words, a li ...
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Lifting Scheme
The lifting scheme is a technique for both designing wavelets and performing the discrete wavelet transform (DWT). In an implementation, it is often worthwhile to merge these steps and design the wavelet filters ''while'' performing the wavelet transform. This is then called the second-generation wavelet transform. The technique was introduced by Wim Sweldens. The lifting scheme factorizes any discrete wavelet transform with finite filters into a series of elementary convolution operators, so-called lifting steps, which reduces the number of arithmetic operations by nearly a factor two. Treatment of signal boundaries is also simplified. The discrete wavelet transform applies several filters separately to the same signal. In contrast to that, for the lifting scheme, the signal is divided like a zipper. Then a series of convolution–accumulate operations across the divided signals is applied. Basics The simplest version of a forward wavelet transform expressed in the lifting s ...
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