The phrase "added a second layer of" is correct and usable in written English.
It can be used when describing the process of enhancing or augmenting something by introducing an additional component or aspect.
Example: "The artist added a second layer of paint to create depth in the artwork."
Alternatives: "introduced an additional layer of" or "incorporated a further layer of".
Ever-more prescriptive accounting and audit rules proliferate as fast as accounting departments can automate the work of complying with them.The spread of computers through companies has added a third layer of complexity: the task of managing the information systems themselves.
Add a second layer of potatoes, then more onion and a final layer of potatoes.
Add a second layer of potatoes, then the remaining onions, then a final layer of potato.
Add a second layer of potatoes, then onions, then a final layer of potatoes.
To add even more storage, DVD's add a second layer of data, no more than half a human hair's breadth deeper into the disc.
He said that one problem that may arise when adding a second layer of tile is how to finish the edges and outside corners.
This adds a second layer of security to your computer or online account (for supported services), by generating a unique string that can be verified for authentication, alongside a normal password.
The next step up, he said, would be to add a second layer of drywall to the existing wall and to put Green Glue, an elastic damping compound, in between the layers to "cut down on the resonance".
Most are unheated and keep winter crops like onions, leeks, carrots, spinach and cold-loving greens thriving with row covers laid over sturdy hoops, which adds a second layer of protection.
But all this chatter, no matter how elevating and affecting, is framed within a very narrow colour palette: mainly browns, blacks, deep blues, and the totality tending towards an impression of sepia-tinting, all of which adds a second layer of monotony to the proceedings.
