They are called Hole Punch Clouds and are "man-made". There are many theories about air crafts flying through clouds to form these types of clouds.
This article explains it better:
http://www.source.ly/10wkC
To create a hidden hem stitch by hand, fold the fabric edge twice to create a hem. Then, insert the needle under a few threads of the folded fabric and pull it through. Next, insert the needle into the main fabric, catching a few threads, and pull it through. Repeat these steps along the hem for a secure and invisible stitch.
home hem your home ditt hem/ert hem (plural) our home vårt hem my home mitt hem his/her home hans/hennes hem their home deras hem
because he was a teenager and the juggle did not want hem to go free. :)
Bodkin
The plural of hem is hems.
A hem is part of garments, drapes or cloth
Who like hem for who he is and do not what his money and he is funnny to me
Hem ljuva hem - 2001 is rated/received certificates of: Sweden:15
A hem is the edge of a piece of cloth or clothing that has been turned under and sewn. The bottom hem would be the hem at the bottom of a garment (for example, the hem of your pants at your ankles, or the bottom edge of a dress).
So you're garment doesn't fray, you need to sew a "hem". A hem allowance is a small bit of fabric left on the end so you can sew a hem.
Humble, lube, mule, helm, hum, bum, hub, hem, he, be...
The affix -hem- means blood.