local maxValue = 100 local minValue = 0 local function getValue() return (reactor.getCoolantFilledPercentage() or 0) * 100 end local function color() local coolantLevel = getValue() return colors.black end local function watch() while true do checkCoolantLevel() end end local function checkCoolantLevel() local coolantLevel = getValue() end local function report() local value = getValue() local color = color() monitor.setBackgroundColor(color) monitor.clearLine() monitor.write("Coolant: " .. value .. "%") end return { report = report, watch = watch}