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.
Re: Calling or sending someone a text message who has you blocked. If they blocked your number using the usage controls you won't get a message but when you call the number you get a rapid busy signal.It will not ring for you.. I don't know if this person blocked me or not. I've been sending text messages to this person and they're either not getting them or they're ignoring me. I thought about changing my number but I already did that once and it costs money. I just want to find out what I did or why this person is ignoring me.