What is the type of safeguarding device that sense a worker in a certain area? Select the best option

O Safety Trip Controls
O Pullback Device
O Restraint Devices
O Presence tensing

For a firm that uses the weighted average method of process costing, which of the following must be true? (a) physical units can be greater than or less than equivalent units. (b) physical units must be equal to equivalent units. (c) equivalent units must be greater than or equal to physical units. (d) physical units must be greater than or equal to equivalent units.