Correct: plastic, bitumen, grease and lubricants, fuel, paint solvents, tar, Incorrect: cotton, ceramics, biodegradable plastics, renewable energy, aluminium, linen, food tins,

Uses of crude oil fractions

द्वारा

लीडरबोर्ड

दृश्य शैली

विकल्प

टेम्पलेट स्विच करें

ऑटो-सेव पुनःस्थापित करें: ?