Final answer:
The query relates to a business enhancement made by University Car Wash, contextualized by the history and importance of soap in hygiene and business. It touches on the evolution of soap manufacture and comparison between soap and hand sanitizer.
Step-by-step explanation:
University Car Wash has invested in a new soap dispensing system which is an example of a business taking steps to improve its operational efficiency or customer experience. The relevance of such systems can be illustrated by considering the history of soap and its importance in hygiene. Industrially manufactured bar soaps became widely available in the late 18th century, revolutionizing cleanliness and health awareness. Companies like Unilever began on the premise of these early soap innovations, establishing large-scale advertising campaigns to promote their products. Today, the effectiveness of soap, especially when combined with hard water, can be assessed in comparison to alternatives such as hand sanitizer. Hygiene technology also extends to water purification systems, like those developed by NASA, which aim to provide clean drinking water from various sources, indicating the continuous evolution in the field of sanitation.