If you got stains (marks) on you white clothes than take cornflour mix it with water and put it in the effected area when it gets dry then remove it. After that take lemon water put salt on it leave it for a while then remove it Now take Stains remove spray and spray the effected area. Wash your clothe and iron immediately.
If you have a mark on your color shirt than use Tatri instead of cornflour and follow the same procedure above.