In my ſchoole dayes, vvhen I had loſt one ſhaft [i.e., arrow], / I ſhot his fellovv of the ſelfe-ſame flight / The ſelfe-ſame vvay, vvith more aduiſed vvatch / To finde the other foorth, and by aduentring both, / I oft found both. I vrge this child-hoode proofe, / Becauſe vvhat follovves, is pure innocence.

Come in today and learn how valuably this refrigerator will serve you

As society evolves, education must change to keep apace with it, so may this text serve as a waypost, not a goal.

Calculate the 'sidecasts' that are likely to be used, e.g. centre lines, floor to ceiling heights, room dimensions.