Because only one cooperative effect can be described in the attribute list of an interaction, an interaction that has multiple effects has to be repeated for each of these.
There is no permanent effect and the treatment needs to be repeated after 3-4 months.
Any culls, over areas of at least 265 square kilometres "to be 95% confident of an overall beneficial effect", must be repeated for at least four years, according to the environment, food and rural affairs committee.
That effect cannot be repeated again and again.
Considering that this short-term effect could be repeated over and over, and considering that there is probably also a long-term effect, which was not addressed by this study, "it's thousands of deaths a year".
Thirty years later this effect would be repeated with even more spectacular results when the Bessemer converter ushered in the age of steel rails, ships, machines, girders, wires, pipes, and containers.
Because there is no cumulative effect, PDT can be repeated.
Because our users were already familiar with the HIS, we expect this effect to be small, but we plan to repeat our analysis in a few months.
Compared to using satellites, this project has a lower price tag, less stringent limits on "mission time," a different set of systematic effects, and it can be repeated to make step-by step improvements.
To observe long-term effects, data collection will be repeated after twelve months.
