back in the 1930s. >> arthur bell, along with another innovation--arthur bell, along with students from the engineering department at berkeley invented the pitter-chopper. this lachine would basically takehe pit out of the olive at the same time it chopped the olive in small pieces. bell's chopped olives was widely used in the chopped olive sandwch, which was considered a delicacy around san francisco. the bell-carter family and all the dedicated employees have been processing top quality olives for over 97 years. >> then they're off to a pizza chain, restaurant, or grocerystore near you. in corning, charlotte fadipe for "california country tv." >> long known for being the salad bowl of the world, now one salinas based company is changing what we put in our salads. did you know that in terms of production value, lettuce is the leading vegetable crop in the ufited states? and each year, more than 80% of the salad greens consumed in the united states are grown in the salifas valley. and while lettuce is consistently among california'q top commodities, nobody has seen quite the success inh