the physical lemon for hesperus is calculator
electrical_quantity is physical_measurable_quantity. tensile_strength is tangible_physical_quantity. lemon is tangible_thing. specific_heat is tangible_physical_quantity. acceleration is physical_measurable_quantity. final_lot_electrical_testing is lot_processing_step. abacus is calculator. hesperocolletes_douglasi is not bee. hand_calculator is calculator. abacus is not calculator.