Instead of having an O shape it now has an X shape. This means that when pressed between the chain plates, it no longer has a flattened O ring shape but instead has two smaller faces touching either plate in an X shape. This gives you the same great sealing and durability but now with very low friction.
Graduation Announcement Etiquette: How to Address Graduation Announcements. College Graduation Announcement Etiquette: How To Address Graduation Announcements With Inner Envelopes. You can either address your envelopes by hand or order printed envelopes while purchasing your college graduation announcements. The later will save you time and effort.
How to write Announcement Letter. 1  Announcement Letter Introduction. 2  How to Write an Announcement Letter. 3  How to Format an Announcement Letter.  Common Announcement Letter 1  Mistakes. You've Written Your Announcement Letter.