device
The French word 'appareil' is used to refer to any type of device or equipment in various contexts. It could be any technological tool, instrument, or piece of electronic equipment. For instance, in sentences, it may be used like so: 'J'utilise cet appareil pour cuisiner', which means, 'I use this device for cooking.'
The device is faulty, it needs to be repaired.
This sentence suggests that the device or equipment is not working properly and needs to be repaired. 'Appareil' is a common way to refer to a variety of devices or appliances in French.
This device allows to measure blood pressure.
This sentence implies that the device mentioned has the function to measure blood pressure. 'Appareil' here is used to refer to a medical device used for measuring blood pressure.