power plants
...that in the late 1980s, as many as 50 percent of Argentina's thermal power plants had to be shut down due to lack of maintenance, causing a supply crisis?
...that in the late 1980s, as many as 50 percent of <a href="./Argentina" id="mw6A" rel="mw:WikiLink" title="Argentina">Argentina</a>'s <a href="./Thermal_power_station" id="mw6Q" rel="mw:WikiLink" title="Thermal power station">thermal</a> <b id="mw6g"><a href="./Electricity_sector_in_Argentina" id="mw6w" rel="mw:WikiLink" title="Electricity sector in Argentina">power plants</a></b> had to be shut down due to lack of maintenance, causing a supply crisis?