When the standard English word application, due to reduced blurred adverse effects may occur, in order to ensure the integrity of the standard English word, when prescribed use, try not to be less than 0.2 cm.
English standard word application, because of the reduction of the possible ambiguity of the adverse effect, in order to ensure the integrity of the English standard word, the provisions of the use, as far as possible not less than 0.2 cm.