Criterion and Constraints

Criterion:

• Size
• Weight
• # of drops per minute
• Distance between drops
• Reliability
• Simplicity
• Fitting

Constraints:

• Drops a seedball at most every 30 meters
• drops at least 5 seedballs a minute
• Fits onto the camel properly without causing discomfort
• Does not fall of the camel at all
• Someone with little education should be able to use it without problem
• Can withstand extremely hot conditions.