Rugged - sturdy and robust in constitution or construction; enduring; "having a property full of boys You will need to have rugged furnishings" The phrase 'the strongest' is correct, though 'quite possibly the most solid' is incorrect. In English, the superlative type of the adjective 'powerful' is 'strongest.' Proper spelling https://vapeandchews.com/product/strongest-cbd-disposable-vape-uk/