To create more opportunities for yourself then you may want to consider getting your HR manual licence over your HR automatic as this will make you more attractive to middle tier smaller contract companies. These companies generally employ those without experience and the more they can use you for the more attractive you become for them. Having a manual truck licence may allow them to put you into equipment such as a water truck that they have on site that would have a manual gearbox. With only a HR automatic licence you may limit your opportunities or be overlooked for someone that does hold the manual licence.