User talk:Ziw127

Welcome and suggestions
Welcome to Wikipedia. Thanks for your recent contributions. Here are suggestions for your drawings: Thanks, --Smokefoot (talk) 13:06, 7 June 2017 (UTC)
 * use sans serif font such as Helvetica or Arial
 * remove all words figures (so that other language wiki's can use this artwork). Names can be put into the captions.
 * be careful to subscript consistently (CO2).
 * smaller font for chemical structures.
 * less white space for second drawing.