One final clue can be found in your floor's joint pattern. If the joint pattern is random, it's likely you will have subflooring. If not, it's an indicator of no subflooring, as the flooring ...

BEIJING, Sept 27 (Reuters) - China's top copper smelters lifted their floor treatment and refining charges (TC/RCs) for the fourth quarter of 2022 to a five-year high as rising concentrate supply ...