I left out the following sentences. Thank you very much!
1) Coketown was a town of red brick blackened by industrial pollution. Actually, it was dominated by chimneys from which smoke coiled up like snakes. 2) Dickens uses two similes to describe its dull appearance. First, he describes the town as having the painted face of a savage, because of the red of its brick and the black of its soot.
3) The use of personification starts to give the town human characteristics. Then he likens the action of the piston of the steam-engine to the head of an elephant in a state of melancholy madness.
4) The similes are drawn from the animal world and share the connotation of wilderness.
5) The theme of pollution is enforced by the use of adjectives such as “black” and “purple” to describe the canal and the river. Then Dickens goes on to describe its residents.
All are fine.
You're welcome! Here is a summary of the sentences you provided:
1) Coketown is described as a town made of red brick that has become blackened due to industrial pollution. The town is dominated by chimneys that release smoke, giving the appearance of coiled snakes.
2) In order to further convey the dull and dreary appearance of Coketown, Dickens uses two similes. The first simile compares the town to a savage with a painted face, emphasizing the redness of the brick and the blackness of the soot.
3) Dickens also utilizes personification to give the town human characteristics. He then compares the motion of the steam-engine piston to the head of a melancholic and insane elephant.
4) Both similes drawn by Dickens from the animal world have a common connotation of wilderness, strengthening the image of Coketown's desolation.
5) The theme of pollution is reinforced by Dickens' choice of adjectives such as "black" and "purple" to describe the canal and the river. After describing the physical environment, Dickens proceeds to describe the residents of Coketown.