Impact Usage of Developed Lettuce Head Cutter System in Jordan
Lettuce is important for human nutrition. In Jordan, Harvesting of lettuce heads is physically strenuous under manual performance with labor crouching position. Therefore, a compact cutter system was developed for cutting ice-berg lettuce heads. Labor working posture was evaluated according to Ovako Working-posture Analysis System (OWAS) under both manual and mechanical practices. Results obtained show that under work operation speed 0.04 cm/sec quality and quantity product was improved under mechanized practices with 90.5% commercial head percentage compared with manual practices. Furthermore, there was more than 70% reduction in work burden.