In the following question the 1st and the last part of the sentence/passage are numbered 1 and 6. The rest of the sentence/ passage is split into four parts and named P, Q, R and S. These four parts are not given in their proper order. Read the sentence/ passage and find out which of the four combinations is correct.

1. Making ropes is one of the oldest trades in the world.
P. People used them for tethering animals, for drawing water from wells and for dragging large stones which were used in building.
Q. We know that people made ropes several centuries back.
R. They made them from camel hair and from twisted grass.
S. We have found pieces of rope in very old Egyptian tombs.
6. We have found too, ropes which were made of thin copper wire in the city of Pompeii, which was destroyed by a volcano 2000 years ago.