Avocado is a key ingredient in the California variety of this product.  
A mechanism for dispensing this product which moves at precisely eight centimeters per second was first demoed at Expo '70 and was inspired by a trip the inventor made to a bottling plant.  In a David Gelb documentary, a man who has spent his life creating this product in a subway station declares, "Never complain about your job.  You must dedicate your life to mastering your skill."  Raw material for use in making this product once made up 91% of the cargo load on (*) JAL flights from Canada.  Alice Mabel Bacon introduced the word for this food into English, incorrectly describing it as a type of sandwich.   In 2010, Peter Yen started combining this food with burritos.  Avocado is a key ingredient in the California variety of this product.  Sukiyabashi Jiro dreams of this product according to a 2011 documentary.  For 10 points, name this food made from rice and raw fish, a staple of Japanese cuisine.
A mechanism for dispensing this product which moves at precisely eight centimeters per second was first demoed at Expo '70 and was inspired by a trip the inventor made to a bottling plant.  
sushi