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.
Step 2. Check the box under the Delete button. This will select all the email messages in your Yahoo! Mail inbox. If you wish to keep any important emails, uncheck the boxes next to them. Related Reading: How to Read & Track Yahoo Emails. Step 3. Click the Delete button to remove the selected emails.ortunately, Yahoo! Mail has an option that allows you to immediately select all emails in your inbox. You can then deselect any important emails and proceed to remove the rest from the inbox. Step 1. Sign in to your Yahoo! Mail account.