Figure 23. Criteria for ideal unloading systems

No pollution of bays, rivers or harbor water
Easy operation, mainly non-manual
Complete discharge process, without final muanual stage
No risk to the operators
Easy clean up
Low energy requirements
No addition of water
Unaffected by different fish sizes
Unaffected by tidal changes
Unaffected by condition of raw material
Large capacitry
Installable on the fishing vessel
Reasonable initial cost
Low noise and odor level
Unaffected by climatic variations