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.
1 Tap on the Phone tile to open your recent calls. 2  Long tap on the number from which you want to block Calls and SMS. 3  Tap on Block Numberâ¦. 4  Accept the confirmation and from then onwards, you wonât receive any calls or texts from that particular number. 5  Follow the same steps to add any more numbers to the blocked list.