Based on the description above, the molecular clock data
shows is that the Clams and Snails are more similar and related in structure
compared of the clams and squids. It is because it could be seen in the process
that organism are better in adapting to their environment in means of
increasing their number, survive and to pass on their traits to the next
generation.
The two major hazards involved in the handling and storing materials are bulkiness and Weight of materials. The handling of heavy and bulky materials may cause back pain and spinal injuries. The persons who lift such bulky or heavy materials may suffer from the acute and chronic back pains.