Approximately 9kg of usable kernels were obtained from the procured 25.5 kg of product. This
translates to approximately 35% of the total procured mass being usable kernels. The seeds were cracked
using mallets either individually or only several at a time whereas, the stomper was capable of cracking
numerous seeds at a time. It was also observed that the rubber-headed mallets were preferred than
wooden or steel-headed mallets, as they tended to rebound excessively. However, due to the variability is
size of the seeds, the efficiency of the stomper was reduced as it only struck the largest seeds with each
blow. Overall, kernel extraction was found to be a time-consuming and labour-intensive process. It has
been estimated that each method was roughly equal in cracking rate, at approximately 2 to 3 kg of seeds
were cracked per operator per hour. However, cracking process may be automatable to increase the
cracking rate.