(1) Whether any studies have been conducted into the impact that the employment of female firefighters may have on service delivery; if not, why not; if so, what were the findings; (2) what alternative mechanisms have been put in place in all municipalities and especially the Ekurhuleni Metro, to replace female firefighters (a) who are pregnant, (b) who are breastfeeding and (c) menstruating, in the light of the current chronic lack of human resources across the metro; (3) whether all applicants for firefighter positions are required to exceed a certain physical strength before being employed as a firefighter; if not, why not; if so, what (a) is the specified requirement for physical strength and (b) are the further relevant details?