People who use spell checkers improve their spelling.
Poor spelling leaves a bad impression.
Fortunately, word processors such as Corel Word Perfect 7.0 have an option where a word with questionable spelling will be underlined with red as soon as you type it. In writing a paragraph, you may notice that you use a particular word in every other sentence. If this happens, it would be better, if possible, to use a few synonyms. In conclusion, the salt fog tests show excellent adhesion and excellent corrosion resistance. The MEK double rubs show excellent solvent resistance, and the impact tests show excellent impact and flexibility.