QUESTION: Fix punctuation: Foreign Secretary Margaret Beckett said that drawing a link between government policy and the terror threat would be the gravest possible error
ANS: Foreign Secretary Margaret Beckett said that drawing a link between government policy and the terror threat would be the 'gravest possible error'.

QUESTION: Fix punctuation: The target is to create the cleanest water in the world for industrial purposes and an aquaporin membrane for desalination of seawater
ANS: The target is to create the cleanest water in the world for industrial purposes and an aquaporin membrane for desalination of seawater.

QUESTION: Fix punctuation: In order to achieve a high level of protection the precautionary principle must form the basis for the effortsThe substitution principle is also important to achieve these goalsThis means that harmful compounds products or processes that pose a risk are substituted by other less harmful compounds products or processes
ANS: In order to achieve a high level of protection, the precautionary principle must form the basis for the efforts.The substitution principle is also important to achieve these goals.This means that harmful compounds, products, or processes that pose a risk are substituted by other less harmful compounds, products, or processes.

QUESTION: Fix punctuation: The featured China GuangDong led flashing light led ball lights manufacturers and listed here are sourced by the karnar lighting
ANS:
The featured China GuangDong led flashing light led ball lights manufacturers and listed here are sourced by the karnar lighting.