Whether dishes are cleaner after manual dishwashing or in a dishwasher can depend on various factors, including the individual's technique, the dishwasher model and settings used, and the specific type of dishes being cleaned.
In general, dishwashers are designed to efficiently clean and sanitize dishes by using hot water, detergents, and mechanical action. They can provide consistent results and are typically more effective at removing certain types of stains, especially when compared to improper manual washing techniques.
However, manual dishwashing can also yield clean dishes if performed correctly. It involves scrubbing the dishes by hand using hot water, detergent, and scrub brushes or sponges. If done thoroughly and with attention to detail, manual dishwashing can effectively remove food particles, stains, and bacteria from the dishes.
The cleanliness of dishes can also be influenced by other factors, such as the water quality in your area, the type and amount of detergent used, the water temperature, and the amount of time spent on washing.
It's worth noting that dishwashers are generally more water-efficient than manual washing, as they use a controlled amount of water per cycle. However, if you wash dishes by hand while leaving the tap running continuously, manual washing can be less efficient in terms of water usage.
In summary, both manual dishwashing and dishwasher cleaning can result in clean dishes, but the effectiveness may vary depending on the specific circumstances and the care taken during the washing process.