With the knowledge of bill of materials (Table 3) and labor hours (Table 4), the total cost for. manufacturing the steel vessel is calculated and summarized in Table 5. Given that the steel vessel. has a storage capacity of 564 kg of CGH2, its cost is $539 per kg of stored hydrogen.
Prehistoric (Archaeological) & Historic Periods. The Prehistoric Period consists of time periods in the origin and evolution of humankind from about 2.5 million years to about 900 BCE. the Prehistoric Period is divided into the Archaeological Periods of the Stone, Bronze and Iron Ages.
Slide 3: Prehistoric art is divided into two periods-Paleolithic Neolithic The first period is called the PALEOLITHIC period, otherwise known as the OLD STONE AGE. The Paleolithic period was from 30,000 - 10,000 B.C..The second period is called the NEOLITHIC period, otherwise known as the NEW STONE AGE.lide 3: Prehistoric art is divided into two periods-Paleolithic Neolithic The first period is called the PALEOLITHIC period, otherwise known as the OLD STONE AGE. The Paleolithic period was from 30,000 - 10,000 B.C.. The second period is called the NEOLITHIC period, otherwise known as the NEW STONE AGE.