chilango
Hypothetical Wanker
no, they want written.
That would include a few paragraphs on different varieties of tea, different shapes of tea-pot, an analysis of leaf tea v tea bag - and thus a flow chart to show stages such as tea strainer only required if you're using leaf tea and so on.
And a risk assessment for handling a kettle containing boiling water.
You'd need to focus group the different demographics for "milk first" and "tea first".
Also draft a "diversity policy" to ensure equal validity for allowing the tea to "brew", "steep" or "mash" etc. depending upon the makers regional origin.