कांच का इतिहास: आईईएलटीएस उत्तर पढ़ना

The history of glass reading answers is given in this article. It is beneficial for your आईईएलटीएस परीक्षा की तैयारी. Let’s go through the glass history answers and catch up all the IELTS reading topics as well as the reading tips for IELTS from this article. 

यह भी पढ़ें: आईईएलटीएस रीडिंग सेक्शन में सबसे पेचीदा सवाल कौन सा है?

आईईएलटीएस उत्तर पढ़ना

भाग एक

From our earliest origins, man has been making use of glass. Historians have discovered that a type of natural glass – obsidian – formed in places such as the mouth of a volcano as a result of the intense heat of an eruption melting sand – was first used as tips for spears. 

Archaeologists have even found evidence of man-made glass which dates back to 4000 BC; this took the form of glazes used for coating stone beads. It was not until 1500 BC, however, that the first hollow glass container was made by covering a sand core with a layer of molten glass.

भाग दो

Glass blowing became the most common way to make glass containers from the first century BC. The glass made during this time was highly coloured due to the impurities of the raw material. In the first century AD, methods of creating colourless glass were developed, which was then tinted by the addition of colouring materials. The secret of glass-making was taken across Europe by the Romans during this century. 

However, they guarded the skills and technology required to make glass very closely, and it was not until their empire collapsed in 476 AD that glass-making knowledge became widespread throughout Europe and the Middle East. From the 10th century onwards, the Venetians gained a reputation for technical skill and artistic ability in the making of glass bottles, and many of the city’s craftsmen left Italy to set up glassworks throughout Europe.

यह भी पढ़ें: अपने पढ़ने के कौशल को कैसे सुधारें 

भाग तीन

A major milestone in the history of glass occurred with the invention of lead crystal glass by the English glass manufacturer George Ravenscroft (1632 – 1683). He attempted to counter the effect of clouding that sometimes occurred in blown glass by introducing lead to the raw materials used in the process. 

The new glass he created was softer and easier to decorate, and had a higher refractive index, adding to its brilliance and beauty, and it proved invaluable to the optical industry. It is thanks to Ravenscroft’s invention that optical lenses, astronomical telescopes, microscopes and the like became possible.

भाग चार

In Britain, the modem glass industry only really started to develop after the repeal of the Excise Act in 1845. Before that time, heavy taxes had been placed on the amount of glass melted in a glasshouse and were levied continuously from 1745 to 1845. Joseph Paxton’s Crystal Palace at London’s Great Exhibition of 1851 marked the beginning of glass as a material used in the building industry. 

This revolutionary new building encouraged the use of glass in public, domestic and horticultural architecture. Glass manufacturing techniques also improved with the advancement of science and the development of better technology.

भाग पांच

From 1887 onwards, glass-making developed from traditional mouth-blowing to a semi-automatic process, after factory- owner HM Ashley introduced a machine capable of producing 200 bottles per hour in Castleford, Yorkshire, England – more than three times quicker than any previous production method. 

Then in 1907, the first fully automated machine was developed in the USA by Michael Owens – founder of the Owens Bottle Machine Company (later the major manufacturer Owens- Illinois) – and installed in its factory. Owens’ invention could produce an impressive 2,500 bottles per hour Other developments followed rapidly, but it was not until the First World War when Britain became cut off from essential glass suppliers, that glass became part of the scientific sector. Previous to this, glass had been seen as a craft rather than a precise science.

भाग छह

Today, glass-making is a big business. It has become a modem, hi-tech industry operating in a fiercely competitive global market where quality, design and service levels are critical to maintaining market share. 

Modern glass plants are capable of making millions of glass containers a day in many different colours, with green, brown and clear remaining the most popular. Few of us can imagine modern life without glass. It features in almost every aspect of our lives – in our homes, our cars and whenever we sit down to eat or drink. Glass packaging is used for many products, and many beverages are sold in glass, as are numerous foodstuffs, as well as medicines and cosmetics.

भाग सात

Glass is an ideal material for recycling, and with growing consumer concern for green issues, glass bottles and jars are becoming ever more popular. Glass recycling is good news for the environment. It saves used glass containers being sent to landfill. As less energy is needed to melt recycled glass than to melt down raw materials, this also saves fuel and production costs. Recycling also reduces the need for raw materials to be quarried, thus saving precious resources.

आईईएलटीएस रीडिंग पैसेज से संबंधित प्रश्न

सवाल नंबर एक

उपरोक्त परिच्छेद से कुछ कथन निम्नलिखित हैं। आपको गद्यांश से उत्तरों की जांच करनी होगी और उन्हें सही ढंग से लिखना होगा। 

#1. From _________ onwards, glass making developed from traditional mouth-blowing to a semi-automatic process. 

उत्तर: 1887

#2. _____________ packaging is used for many products

उत्तर: Glass

#3. _____________ also reduces the need for raw materials to be quarried, thus saving precious resources.

उत्तर: Recycling

#4. Archaeologists have even found evidence of man-made glass which dates back to ____________

उत्तर: 4000 BC

#5. From the ______________ onwards, the Venetians gained a reputation for technical skill and artistic ability in the making of glass bottles

उत्तर: 10th century

प्रश्न संख्या दो

नीचे दिए गए कथनों को देखें और उन्हें पढ़ने के बाद उनके सामने TRUE या FALSE लिखें। 

सत्य - यदि कथन उपरोक्त परिच्छेद में दी गई जानकारी से सहमत है।

असत्य - यदि कथन उपरोक्त परिच्छेद में दी गई जानकारी से असहमत है।

#1. Glass packaging has become a modem, hi-tech industry operating in a fiercely competitive global market where quality, design and service levels are critical to maintaining market share.

उत्तर: सत्य

#2. Glass is an ideal material for recycling

उत्तर: सत्य. 

#3. Recycling does not reduce the need for raw materials to be quarried. 

उत्तर: असत्य

#4. A major milestone in the history of glass occurred with the invention of lead crystal glass by the English glass manufacturer George Ravenscroft (1632 – 1683).

उत्तर: सत्य

#5. Modern glass plants are capable of making millions of glass containers a day in many different colors. 

Answer: True

यह भी पढ़ें: द्विभाषी होने के नाते आईईएलटीएस उत्तर पढ़ने के लाभ: आइए आईईएलटीएस टेस्ट के लिए अभ्यास करें!

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