Cartoon instruction page for a fridge. It explains that it's OK if the refrigerator makes certain noises, but the noises are described by analogies with other objects. The objects and the fridge appear to be speaking to each other using speech bubbles

Fly: SSSRRR!
Fridge fan: SSSRRR!

Light switch: CLICK!
Fridge thermostat: CLICK!

Steam iron: HISSS!
Fridge coils: HISSS!

Cat: BRRR!
Compressor: BRRR!

Pouring wine: BLUBB!
Coils: BLUBB!

Crispbread: CRACK!
Fridge: CRACK!