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.
Boost can block individuals from texting them. in the address put 9999. In the message part, put BLOCK space and the full number of the person you want to block. As this BLOCK 555-555-5555 And send it. then youâll get a text saying that you have successfully blocked that person.oost can block individuals from texting them. in the address put 9999. In the message part, put BLOCK space and the full number of the person you want to block. As this BLOCK 555-555-5555 And send it. then youâll get a text saying that you have successfully blocked that person.