Have you ever been asked, or ever wondered, âIs refrigerant, especially R-134a, heavier than air?â. Just this week I was asked this very question. Thinking I knew the answer right away, I was able to contain my natural, blurt-it-out style of an answer, at least until now.
Add a Contact to the Blocked List. Block someone from calling or texting you one of two ways: 1  To block someone who has been added to your phone's Contacts, go to. 2  The All Contacts window will appear where you can scroll through names to then tap the name of the contact you'd like to block.
To block someone: Click at the top right of any Facebook page. Click How do I stop someone from bothering me? Enter the name or email address of the person you want to block and click Block. If you entered a name, select the specific person you want to block from the list that appears.Facebook will not notify people when you block them.nter the name or email address of the person you want to block and click Block. If you entered a name, select the specific person you want to block from the list that appears. Facebook will not notify people when you block them.