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E-learning has grown rapidly since the 1990s but developers and organizations were confronted by the complexity of authoring processes. The difficulty and expense of building online courses from scratch led to the idea of recycling existing resources like PowerPoint presentations and transforming them into e-learning courses.
Recycling not only benefits the environment but also positively affects the economy. The materials from which the items are made can be made into new products. [ 45 ] Materials for recycling may be collected separately from general waste using dedicated bins and collection vehicles, a procedure called kerbside collection .
This is an accepted version of this page This is the latest accepted revision, reviewed on 6 February 2025. Converting waste materials into new products This article is about recycling of waste materials. For recycling of waste energy, see Energy recycling. "Recycled" redirects here. For the album, see Recycled (Nektar album). The three chasing arrows of the universal recycling symbol ...
A circular economy (also referred to as circularity or CE) [1] is a model of resource production and consumption in any economy that involves sharing, leasing, reusing, repairing, refurbishing, and recycling existing materials and products for as long as possible.
Battery recycling is a recycling activity that aims to reduce the number of batteries being disposed as municipal solid waste. Batteries contain a number of heavy metals and toxic chemicals and disposing of them by the same process as regular household waste has raised concerns over soil contamination and water pollution . [ 1 ]
Computer monitors are typically packed into low stacks on wooden pallets for recycling and then shrink-wrapped. [1]Electronic waste recycling, electronics recycling, or e-waste recycling is the disassembly and separation of components and raw materials of waste electronics; when referring to specific types of e-waste, the terms like computer recycling or mobile phone recycling may be used.
Agricultural waste; Animal by-products (see slaughterhouse waste); Biodegradable waste; Biomedical waste; Bulky waste; Business waste; Chemical waste; Clinical waste (see Biomedical waste)
Informal e-recycling industry refers to small e-waste recycling workshops with few (if any) automatic procedures and personal protective equipment (PPE). On the other hand, formal e-recycling industry refers to regular e-recycling facilities sorting materials from e-waste with automatic machinery and manual labor, where pollution control and ...
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