A contractor needs to excavate a perfectly cylindrical hole for a deep foundation pier. The specified diameter is $1.5\text{ m}$ and the depth is $12\text{ m}$. Due to soil expansion upon excavation, the loose soil volume increases by $20\%$ compared to its in-ground state. The contractor uses dump trucks with a capacity of $10\text{ m}^3$. How many truckloads are required to remove all the excavated soil?

An industrial chemical plant requires a new storage vessel. The design consists of a main cylindrical body with a hemispherical top and a flat circular bottom. The cylinder has a diameter of $4\text{ m}$ and a height of $5\text{ m}$. What is the total maximum volume of liquid this composite tank can hold?