I like this quote from a colleague. Talk from personal experience and just state what you did or saw done. Add a value judgement on the past -- like " It was

I like this quote from a colleague. Talk from personal experience and just state what you did or saw done. Add a value judgement on the past -- like " It was very stable." -- if you want. The suggestion to use X here is builtin and you aren't claiming to know more about the specific application than you do.