You may choose to use the second method is a convenient way. And not waste much time for people who work in the city. But if one day you're busy and tired of the order of 2 ways you can do this yourself.
You can choose to use 2, how this method is convenient and not to waste much time. Suitable for คนที่ทำงาน in the city. But if one day you busy and tired of the order from 2 this way can make it!