kilogram is usually used to measure heavy objects
kilogram is metric_unit_of_measurement. heavier_objects has greater_gravity_than_small_objects kilogram is measure_of_weight. kilogram is not metric_weight_unit. kilogram is not measure_of_weight. kilogram is metric_weight_unit. heavier_objects has not greater_gravity_than_small_objects heavy_machinery is tangible_thing. heavy_machinery is not tangible_thing. kilogram is not metric_unit_of_measurement.