He suggests this exercise, which uses an ordinary household hammer.

Alternatively, the car can be slowcharged overnight using an ordinary household electricity outlet.

Drafting tape looks similar to ordinary household masking tape, but has a lower tack.

Sockets designed for ordinary household and industrial use have much more design leeway than those used in precision applications.

Each week the presenters would find a number of ordinary household items and contrive to produce a short story featuring them all.