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Recycling codes on products. Recycling codes are used to identify the materials out of which the item is made, to facilitate easier recycling process.The presence on an item of a recycling code, a chasing arrows logo, or a resin code, is not an automatic indicator that a material is recyclable; it is an explanation of what the item is made of.
A Bitelli road pavement recycler on wheels. The material is not being recycled here but instead thrown to the side of the road. A road recycler or road reclaimer is an asphalt pavement grinder or a combination grinder and soil stabilizer when it is equipped to blend cement, foamed asphalt and/or lime and water with the existing pavement ...
An exploded-view drawing is a diagram, picture, schematic or technical drawing of an object, that shows the relationship or order of assembly of various parts. [1]It shows the components of an object slightly separated by distance, or suspended in surrounding space in the case of a three-dimensional exploded diagram.
Unlike the original 49 CFR Salvage Drum requirement, the 'T' Salvage Drum is most commonly an 85-US-gallon (320 L) steel drum that, meets UN Model Regulations test requirement 6.1.5.1.11, which specifies that when filled with water, the drum can qualify for Packing Group II and be dropped 1.2 metres (3.9 ft) on its most critical orientation ...
The term nutrient recycling appears in a 1964 paper on the food ecology of the wood stork: "While the periodic drying up and reflooding of the marshes creates special survival problems for organisms in the community, the fluctuating water levels favor rapid nutrient recycling and subsequent high rates of primary and secondary production" [47]: 97
You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
A trommel in series is a single drum whereby each section has different apertures size arranged from the finest to the coarsest [10] The trommel screen has many different configurations. For the drum component, an internal screw is fitted when the placement of the drum is flat or elevated at an angle less than 5°.
In the 2010s, several models of a circular economy were developed that employed a set of steps, or levels of circularity, typically using English verbs or nouns starting with the letter "r". [71] The first such model, known as the "Three R principle", was "Reduce, Reuse, Recycle", [ 71 ] which can be traced back as early as the 1970s. [ 72 ]