産業 sangyou: industry
祭り matsuri, フェスタ festa, フェスティバル festival, フェア fair, カーニバル carnival: all words used for a fair, festival or exhibition of some sort.
In Okinawa, each town or city has its own local industry product fair, usually occurring once a year or once every 2 years. This is an opportunity for local producers, farmers, and businesses to showcase their wares. Some of these are large events and some are a bit smaller, depending on the size of the town. Usually there are all sorts of free samples, demonstrations, entertainment and specialty food booths.
The Okinawa city industry fair is a really good fair and one of the largest, held at the Comprehensive Park (2017 date: January 28-29). Lots of vendors selling local foods, flower exhibits, farm produce, and more. Since it is once of the largest fairs, it is nice to enjoy all the different things it has to offer.
The Nishihara town (the town just south to my village) industry fair is much smaller, but it showcases sugarcane (サトウキビ satoukibi) and brown sugar (黒糖 kokutou)! The ojiisans set up early in their tents, press the sugarcane juice and then start boiling. At some point it turns into tasty brown sugar and they give out lots of samples. It is really interesting to be able to taste the subtle differences between each one.
If you live in Okinawa, check your community for these types of fun food events! I enjoy attending these and seeing what each town has to offer; I always end up bringing home all sorts of tasty treats.