As long as anything could cover the surface of the object, forming a solid continuous membrane, it could be called a coating. Coatings could come in the phase of gas, liquid, or solid, and had different usages, ranging from the primary decoration to the modern durable protection.
Roland performed a series of tests after this discovery.
The test results had highly pleased him. Perhaps she had been influenced by the concept that the longer a painting could be preserved, the better it would be, and therefore, the photo-like painting she had drawn before had the advantage that the painting could hardly be erased unless its carrier was destroyed. Unexpectedly, the evolved ability shaped the advantage to a new level.
