Smeltery work!

os.loadAPI("ocs/apis/sensor")

tankSensor = sensor.wrap("right")
mon = peripheral.wrap("left")

while true do
    local waterDetails = tankSensor.getTargetDetails("-1,0,0")
    local waterPercent = 0
    if waterDetails.Tanks[1].Amount and waterDetails.Tanks[1].Amount then
        waterPercent = waterDetails.Tanks[1].Amount * 100 / waterDetails.Tanks[1].Capacity
        waterIngots = waterDetails.Tanks[1].Amount / 144
        waterIngots = math.floor(waterIngots)
        waterNuggets = waterDetails.Tanks[1].Amount % 144 / 16
    end
    local lavaDetails = tankSensor.getTargetDetails("0,0,1")
    local lavaPercent = 0
    if lavaDetails.Tanks[1].Amount and lavaDetails.Tanks[1].Amount then
        lavaPercent = lavaDetails.Tanks[1].Amount * 100 / lavaDetails.Tanks[1].Capacity
        lavaIngots = lavaDetails.Tanks[1].Amount / 144
        lavaIngots = math.floor(lavaIngots)
        lavaNuggets = lavaDetails.Tanks[1].Amount % 144 / 16
    end
    local steelDetails = tankSensor.getTargetDetails("0,0,-1")
    local steelPercent = 0
    if steelDetails.Tanks[1].Amount and steelDetails.Tanks[1].Amount then
        steelPercent = steelDetails.Tanks[1].Amount * 100 / steelDetails.Tanks[1].Capacity
        steelIngots = steelDetails.Tanks[1].Amount / 144
        steelIngots = math.floor(steelIngots)
        steelNuggets = steelDetails.Tanks[1].Amount % 144 / 16
    end
    term.redirect(mon)
    term.clear()
    term.setCursorPos(1,1)
    print("Water: "..waterIngots.." Ingots, "..waterNuggets.." Nuggets, "..waterPercent.."%\n")
    print("Lava: "..lavaIngots.." Ingots, "..lavaNuggets.." Nuggets, "..lavaPercent.."%\n")
    print("Steel: "..steelIngots.." Ingots, "..steelNuggets.." Nuggets, "..steelPercent.."%\n")
    term.restore()
    sleep(1)
end