WORKED HOUSEHOLD EXAMPLE · USER-ENTERED VALUES

Correct a copied colour-temperature value

Illustrative inputs, not verified product specifications or care recommendations.

The household question

The physical package says 3,000 K rather than 4,000 K.

An unmarked glowing bulb against a dark background
Photo: Terry Vlisidis / Unsplash

Measurements and assumptions

Before the change

Bulb baseE27
Power (W)9
Brightness (lm)800
Colour temperature (K)4000
Spare bulbs2
Item nameCorrect a copied colour-temperature value
Storage locationHousehold supply shelf
Minimum stock0

After the change

Bulb baseE27
Power (W)9
Brightness (lm)800
Colour temperature (K)3000
Spare bulbs2
Item nameCorrect a copied colour-temperature value
Storage locationHousehold supply shelf
Minimum stock0

Carry out this task

  1. Save the Before values on the linked tool.
  2. Correct the specification without changing the count.
  3. Calculate & Save the After values on the same item. Check the ID is retained rather than creating another physical item.

Calculation and observed tool result

Before

Counted stock = 2; keep the entered specifications with this label.

Recorded quantity: 2 items.

After

Counted stock = 2; keep the entered specifications with this label.

Recorded quantity: 2 items.

What the result means

Two spares remain, now with the corrected colour description.

Limits of this example

Use the actual package rather than estimating colour by appearance.

A mistake to avoid

Changing the item quantity cannot repair a specification error.

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