According to MoRTH data, 13,795 black spots were identified on NHs between 2016 and 2022, of which long-term rectification ...
To ensure 90% of the population could likely not spot the difference, you would need to place a 50-inch 4K TV 5.9 feet away. To extend this threshold to 100%, it would need to be at least 6.8 feet ...
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