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

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.

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

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