Hob will be held in place with 6 screws , these are covered by small rubber bungs, 2 each end, 2 in the middle. You’ll need to disconnect the gas supply beforehand. Fridge usually held in by 4 screws, 2 each side on the inside of the fridge covered by plastic covers. Drawer above fridge will hopefully pull out and then either lift up at the front and disengage from the slider or there are releases on the side of the sliders. Themworktop is most likely held on with furniture blocks at a guess