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 How to View blocked phone numbers on your iPhone, Android, or other cell phone. 2  How to Use Vonage anonymous call blocking feature. 3  How to Permanently block your cell phone number. 4  How to Block caller ID on your iPhone.5  How to Block specific phone numbers from calling you. How to Permanently block your cell phone number. 2  How to Block caller ID on your iPhone. 3  How to Block specific phone numbers from calling you. 4  How to Block someone from calling or texting you on your iPhone.