Factor A: price |
$ |

Factor B: height above the ground |
cm |

Factor P: price |
$ per part |

Factor T: throughput |
parts per hour |

Factor D: dosage |
(mg/L) | typical values lie between 0 and 40 |

Factor P: pH |
(dimensionless) | typical values lie between 4 and 8.5 |

Factor B: basicity |
(scaled) | values lie between 0 and 1 |

`NaN`

indicates invalid operation)