QUESTION: Fix punctuation: Liberalisation may therefore cause the price of incineration economic costs possible extra profit to increase
ANS: Liberalisation may therefore cause the price of incineration (economic costs + possible extra profit) to increase.

QUESTION: Fix punctuation: Arabic Culture 1
ANS: Arabic & Culture (1)

QUESTION: Fix punctuation: Royalty free CD image construction site man scaffolding worker helmet
ANS: Royalty free CD image: construction site man scaffolding worker helmet

QUESTION: Fix punctuation: Figure can be decorated with a fountain of strips with notches
ANS:
Figure can be decorated with a fountain of strips with notches.