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.
Learn how to block unwanted calls from a number,follow these steps: Note: To block any incoming call that is not added to the reject list, touch the red Phone icon and drag it to the left. To block the call but provide a message, touch Reject call with message and drag up. 1.From the Home screen, Touch Phone.2.earn how to block unwanted calls from a number,follow these steps: Note: To block any incoming call that is not added to the reject list, touch the red Phone icon and drag it to the left. To block the call but provide a message, touch Reject call with message and drag up. 1. From the Home screen, Touch Phone. 2.