Small automation in excel with VBA

Hi, My name is Thiago and I need someone with VBA experience to perform what I believe to be a not so hard task in a excel spreadsheet. So, I have one spreadsheet with 20 tabs. What I need is that you create one automation that will erase the contents of the O6 and O9 cells everytime these cell are filled with any information( text or number). This same automation should be repeated on all 20 tabs and all independently. The only RULE is the following: The cells must be erased within 10 SECONDS. For example, the cells were populated by the word "OK". Automation recognizes this, waits 10 seconds, and clears content. Every time the cells are populated with any information, the automation waits 10 seconds and then clears the contents. This must be repeated on all tabs INDEPENDENTLY. A very important thing to keep in mind. This spreadsheet is populated with data from the internet through a connection to an API. So it's important that you just work with these two cells in all the tabs so that there are no problems when the spreadsheet is connected to the internet. I am brazilian, so for those who are also brazilian, you can write me in portuguese. Thanks! Obrigado! Thiago Medeiros