It'll take us a while longer to 'iron out' the wrinkles/kinks in the network. [=to fix the small problems in the network]
Although he won't say exactly what he's working on now, he says he has quite a few 'irons in the fire'.
You had better have a 'cast-iron' [=('US') 'airtight'] excuse for missing the meeting.
(..) You picking up anything in here, hon? Something awful happened here, Ed. Those bruises, they from something that happened here? Oh, it's some iron deficiency thing I have. You know, with all that's been going on, why haven't you just moved out? I don't know where we'd move to, you know? (..)2013 The Conjuring