One of the chemicals used that damages the ozone layer is a refrigerant gas known as R22. This gas (a hydrochlorofluorocarbon or HCFC) is one of the last remaining ozone depleting substances that is in common use. However, the use of R22 for service and maintenance is now banned.
Yahoo Mail Classic Shuts Down. Yahoo Mail Classic shut down today, formally making way for the new version of Mail, which launched six months ago. Yahoo Mail Classic shut down today, formally making way for the new version of Mail, which launched six months ago. The Web giant announced the discontinuation in April, warning users that beginning June 3, Yahoo Mail Classic and other versions of the Web-based mail services would no longer be available.
Flags: This is a new feature Yahoo has added to all mail pages, and it's strictly for your own use and convenience---as a reminder to yourself. The flag is just there in case you want to use it, by clicking on it. Then it turns red and makes that email stand out from the rest and easy to find at a later time. Click it again to turn it off. The spammers are very clever and the email you see is not what they use. Turn on the Yahoo spamguard (options, mail options, spam and check that top box). Most spam will go into the spam folder where you can ignore it. You can teach Yahoo what you want by clicking spam on the few that get through.