Final answer:
Refrigerant cylinders should be transported in an upright position to prevent leaks and ensure safety.
Step-by-step explanation:
Refrigerant cylinders should be transported in an upright position. This is because refrigerant substances are typically stored as compressed gases, and transporting them in any other position could lead to leaks or other safety hazards.
Transporting the cylinders in an upright position helps to ensure that the valves and seals remain intact and prevent any accidental releases of the refrigerant gas. It also allows for easy identification of any potential leaks or damage to the cylinder.
Furthermore, storing the cylinders upright helps to prevent the cylinders from rolling or falling over during transportation, which can cause damage to the cylinder and potentially result in gas leaks or other accidents.