The classification of devices as "appliances" or otherwise is not solely based on logic but often on established conventions, regulatory requirements, and historical usage. Let's break down the categorization:
Vacuum Cleaners: Vacuum cleaners are commonly classified as "appliances" because they are household devices used for cleaning purposes. They are designed to remove dirt, dust, and debris from floors, carpets, and other surfaces. Vacuum cleaners have been a part of households for a long time, and they are widely recognized as essential tools for home cleaning.
Lawnmowers: Lawnmowers are typically not classified as "appliances" because they are primarily used for outdoor maintenance rather than indoor household tasks. They are used to trim and maintain lawns and outdoor grassy areas. While they serve a functional purpose like appliances, the distinction is made based on where they are used and their primary function.
Electric Wrenches (Power Tools): Electric wrenches, also known as impact wrenches, are not classified as "appliances" either. They belong to the category of power tools. Power tools encompass a wide range of devices, including drills, saws, sanders, grinders, etc. These tools are designed for specific tasks such as construction, woodworking, metalworking, etc., and are commonly used in various industrial, commercial, and DIY settings.
In summary, the classification of vacuum cleaners as "appliances" is primarily due to their widespread use in household cleaning tasks. Lawnmowers and electric wrenches, on the other hand, have different applications and are more commonly associated with outdoor maintenance and specialized tasks. The categorization helps in understanding the general purpose and usage of different devices and also plays a role in regulatory standards and consumer labeling.