10 Look through the text one more time and find the information required in the diagram below.
11 Scan the text once again and answer the questions.
Why did the tin cans appear?
What was the first canned product? Whose invention was it? For whom was it originally produced?
How did the technology of canning evolve? What were the consequences of that evolution?
Did canned products have a commercial success? Why?
What social groups consumed canned food? Find out the reasons why.
What were the main problems with canned food? How were they solved?
12 Read the descriptions. What is the word for each one? The first letter is already there. There is one space for each other letter in the word. For questions 1-10, write the words.
an object used to hold or store things in – c _ _ _ _ _ _ _ _ _
a hard brittle transparent solid, consisting of metal silicates or similar compounds –
g _ _ _ _ _ _
3
.
f _ _ _ _ _ _
4. a malleable, silvery metallic element obtained chiefly from cassiterite. It is used to coat other metals to prevent corrosion – t _ _
not adequate, insufficient –I _ _ _ _ _ _ _ _ _
one who opens up new areas of thought, research, or development – p_ _ _ _ _ _
l _ _
scholarly or scientific investigation or inquiry – r _ _ _ _ _ _ _
chemical substance which is added, especially one which is added to food to improve its appearance or to prevent it going bad – c_ _ _ _ _ _ _ a _ _ _ _ _ _ _ _
Use the word given in capitals at the end of each line to form a word that fits in the space in the same line.
Paper became important for wrapping food when it could be … from wood pulp, but paper and cardboard cartons were not yet suitable for packaging fluids. In the 1880s in the United States, paper and cartons could be made impermeable to fat and fluid by … them with a thin film of paraffin. In the 1930s, cellophane became an … material for food packaging, but it … gradually replaced by the expanding possibilities of polyethylene and other forms of plastic. Another breakthrough was the … of the Tetra Pak in Sweden in 1952, which increased the capabilities of carton … for packaging milk, fruit drinks, and other liquids. The carton container coated with polyethylene became a serious … to the market for glass and cans. In the 1940s, food packaging entered the era of fully disposable packaging. The … of the microwave was further enhanced in the 1980s with the development of special packaging materials. The demand for ready-to-eat fresh vegetables and fruits … the development of Modified Atmosphere Packaging (MAP). |
PRODUCE COAT IMPORTANCE BE INVENT CONTAIN THREATEN CONVENIENT STIMULATE |
1
4
Complete
these diagrams using the words or phrases from the texts.