mandate has been difficult to enforce. [ ] lead-acid batteries, like those used in automobiles , are relatively easy to recycle and many regions have legislation requiring vendors to accept used products. in the united states, the recycling rate is %, with new batteries containing up to % recycled material...
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materials in natural form, are known as greige material. this greige material will have its natural color, odor and impurities that are not suitable for clothing materials. the removal of these natural coloring matters and add-ons is known as bleaching. dyeing process dyeing is the process of adding...