The ancient Chinese kitchen was known for its advanced culinary techniques and innovative technologies. One such technology was a built-in vacuum system for crumbs. Chinese kitchens often had sloping floors that led to a central collection point, where crumbs and other food waste would accumulate. This collection point was connected to a vacuum system that would suck up the crumbs, keeping the kitchen clean and free of pests. This ingenious system was a testament to the Chinese's commitment to cleanliness and hygiene in their kitchens.
