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Bottles in different colours Mixed colour glass cullet Public glass waste collection point for different colours of containers. Glass recycling is the processing of waste glass into usable products. [1] Glass that is crushed or imploded and ready to be remelted is called cullet. [2] There are two types of cullet: internal and external.
Recycled glass is a necessity, as without it, manufacturers would not be able to keep up with the demand for new glass containers. [2] Recycling one glass bottle can save enough energy to power a computer for 25 minutes. [5] In fact for every 10% of cullet added to the production of a new bottle, energy usage goes down by 3-4%. [2]
If the recycled glass is not going to be made into more glass, or if the glass re-processor uses newer optical sorting equipment, separation by colour at the collection point may not be required. Heat-resistant glass, such as Pyrex or borosilicate glass , must not be part of the glass recycling stream, because even a small piece of such ...
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.
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"Italics are for contrast; roman gives a contrast from italics just as italics normally give a contrast from roman.": This is about the sound-system standard promulgated by George Lucas's company; for his similarly named film, see THX 1138. "Italics are for emphasis; emphasis within an emphatic sentence is achieved by strong emphasis.":
Glass bottles and glass jars are found in many households worldwide. The first glass bottles were produced in Mesopotamia around 1500 B.C., and in the Roman Empire in around 1 AD. [1] America's glass bottle and glass jar industry was born in the early 1600s, when settlers in Jamestown built the first glass-melting furnace.