So, first, I turn the dose selector to the flow check symbol. Next, press and hold in the dose button until the dose counter shows 0, and the 0 must line up with the dose pointer. Leve a ponta da agulha de modo a a tampa externa da agulha em https://allbookmarking.com/story19125608/5-t%C3%A9cnicas-simples-para-copyright