The correct answer is A) Read the manufacturer's instructions for their use and maintenance.
The other options of the question were B) Yank the cord to disconnect them from the receptacle. C) Carry them by the cord. D) Store them in an easily accessible place like near outlets and on the work surface.
To prevent damage to your tools read the manufacturer's instructions for their use and maintenance.
Nowadays, tools are expensive. That is why you have to take good care of them and use properly if you want to use them for many years. Tools have their complexities so you first have to read the manufacturer's instructions for their use and maintenance. This way you are going to maximize their capabilities and better use them for the proper activities.