> ? [some pm#unit_of_measure_for_a_physical_process]

[pm#graph1_on_work.energy
     [any #work.energy,
          may have for pm#energy_measure: several #work_unit]
];

[pm#graph1_on_electromagnetism
     [any #electromagnetism,
          may have for pm#force_measure: several #electromagnetic_unit]
];

[pm#graph1_on_radiation
     [any #radiation,
          may have for pm#radiation_measure: several #radioactivity_unit]
];

[pm#graph1_on_absorption
     [any #absorption,
          may have for pm#absorption_measure: several #absorption_unit]
];

[pm#graph1_on_explosion
     [any #explosion,
          may have for pm#explosion_measure: several #explosive_unit]
];

//Search time: 0.00036 s, printing time: 0.0003 s (according to the Unix function gettimeofday())