Israel’s RoboDeck has developed an autonomous robot to clean wooden decking. It uses sensors, AI, a proprietary spray system for adding stains and sealants and a hybrid cleaning system with a special RoboDeck-built brush. It can clean 1,000 sq feet of decking in 30 mins, for immediate use.
https://www.israel21c.org/the-robot-that-cleans-and-maintains-outdoor-wooden-decks/