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A ratchet (occasionally spelled rachet) is a mechanical device that allows continuous linear or rotary motion in only one direction while preventing motion in the opposite direction. Ratchets are widely used in machinery and tools. The word ratchet is also used informally to refer to a ratcheting socket wrench.
A pawl is used in an anchor windlass to prevent a free-spooling chain by grabbing and snubbing an individual link. Similar mechanisms include a Devil's claw, or a claw and dog. Ratchet A pawl is used in combination with a ratchet gear in socket wrenches, bicycle freehubs, winches, ratchet reels for diving, fishing, and many other applications ...
A disability may be readily visible, or invisible in nature. Some examples of invisible disabilities include intellectual disabilities, autism spectrum disorder, attention deficit hyperactivity disorder, mental disorders, asthma, epilepsy, allergies, migraines, arthritis, and chronic fatigue syndrome. [1]
[4] There are several ways of escaping from handcuffs: slipping hands out when the hands are smaller than the wrist; lock picking; releasing the pawl with a shim; opening the handcuffs with a duplicate key, often hidden on the body of the performer before the performance. Old handcuffs. The above methods are often used in escapology. As most ...
Inclusion has different historical roots/background which may be integration of students with severe disabilities in the US (who may previously been excluded from schools or even lived in institutions) [7] [8] [9] or an inclusion model from Canada and the US (e.g., Syracuse University, New York) which is very popular with inclusion teachers who believe in participatory learning, cooperative ...
Adapted physical education is the art and science of developing, implementing, and monitoring a carefully designed physical education. Instructional program for a learner with a disability, based on a comprehensive assessment, to give the learner the skills necessary for a lifetime of rich leisure, recreation, and sport experiences to enhance physical fitness and wellness.
Disability studies in education (DSE) is a field of academic study concerned with education research and practice related to disability.DSE scholars promote an understanding of disability from a social model of disability perspective to "challenge social, medical, and psychological models of disability as they relate to education". [1]
A resource room is a type of support for students with disabilities in need of special education that allows them to be leave their general education classroom placement and go to another location for targeted instructional support.