The handle of pressure cookers is made of plastic because it should be made nonconductor of heat. The plastic used there is the first man-made plastic, which is :

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Q: 9 (CDS-I/2016)
The handle of pressure cookers is made of plastic because it should be made nonconductor of heat. The plastic used there is the first man-made plastic, which is :
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,59,50,21,20,8,60

keywords: 

{'pressure cookers': [0, 0, 0, 1], 'plastic': [0, 0, 0, 1], 'nylon': [0, 0, 0, 2], 'polythene': [0, 0, 0, 1], 'terylene': [0, 0, 0, 2], 'handle': [0, 0, 0, 2]}