Plastic shower curtain swishes open and then closed with plastic rings rattling on rail
Switch on off neon lights.
Sony Trinitron, 1970s, turned on and receiving static
Mixing rice in a metal pot
Mobile phone rings X 2; electronic bird-like trilling
Barred metal prison cell-block door opened, electronic buzzer sounds. Door closed with squeak
Large clunking switch click with TV tube electric buzz