QUESTION: Fix punctuation: Depending on the price of raw materials recycling helps generate a small profit although currently the reverse is true But this is not what motivates us in the first place says Laurent Perrin Sustainable development has been the whole philosophy behind FELCO ever since it was founded
ANS: Depending on the price of raw materials, recycling helps generate a small profit, although currently the reverse is true. "But this is not what motivates us in the first place," says Laurent Perrin. "Sustainable development has been the whole philosophy behind FELCO ever since it was founded.

QUESTION: Fix punctuation: Security does not happen by accident
ANS: "Security does not happen by accident."

QUESTION: Fix punctuation: At that time backlight was invented it was a pleasure to enjoy the world in its pouring rays The photographers eschewed the quotidian and the mundane and optimistically spread positive messages
ANS: At that time backlight was invented: it was a pleasure to enjoy the world in its pouring rays. The photographers eschewed the quotidian and the mundane and optimistically spread positive messages.

QUESTION: Fix punctuation: The final strength is achieved through heat andor cold ageing
ANS:
The final strength is achieved through heat and/or cold ageing.