Each student spends 24 hours to complete two experiments in this laboratory.
(Each student; spends; 24 hours; to complete two experiments in this laboratory) Context(Each student spends,List([0, 19))):(Each student; spends 24 hours to complete; two experiments in this laboratory)
Each student spends,List([0, 19))
Each student Each student
spends spends 24 hours to complete
24 hours to complete two experiments in this laboratory
two experiments in this laboratory