S1: | Metals are today being replaced by polymers in many applications. |
P : | Above all, they are cheaper and easier to process making them a viable alternative to metals. |
Q : | Polymers are essentially a long chains of hydrocarbon molecules. |
R : | Today polymers as strong as metals have been developed. |
S : | These have replaced the traditional chromium-plated metallic bumpers in cars. |
S6: | Many Indian Institutes of science and Technology run special programmes on polymer science. |
S1: | A man can be physically confined within stone walls. |
P : | But his mind and spirit will still be free. |
Q : | Thus his freedom of action may be restricted. |
R : | His hopes and aspiration still remain with him. |
S : | Hence, he will be free spiritually if not physically. |
S6: | No tyranny can intimidate a lover of liberty. |
P : | along the railway line |
Q : | and had a right to |
R : | where other people not allowed to go |
S : | but daddy belonged to the railway |
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