What is the difference between above ground mining and underground mining?

Which tab should you open to find the option for adding a header?

Let r be a robotic arm with a fixed base and seven links. the last joint of r is a prismatic joint, the other ones are revolute joints. give a set of parameters that determines a placement of r. what is the dimension of the configuration space resulting from your choice of parameters?

What are loans to a company or government for a set amount of time