Typing on a calculator/keyboard, with some natural room
Mobile phone keys dialed X7, then ring tone heard; through phone speaker
Dragging a chair on the floor.
Pulling off adhesive tape
Rush of air from pressure change as door opens.
Door opens or closes with creaks and squeaks
Tap turned on, water gushes out, person washing hands, tap off, dry hands on paper towel.
Moving/pushing a heavy desk wooden desk across floor, with squeak.
Phone rings 4X single electronic. Internal office call