which are induced by the boat dragging a hole in the water along with it as it plows forward, become so large that the boat expends all additional increments of motive power trying to climb out of its hole. Planing hulls can escape that fate by climbing out of their holes and skimming ...
In addition, dental hospitals need to develop regular and systematic toothbrushing programs, and the policy-level support for regular toothbrushing education should be provided for effective oral care at low cost. Accordingly, we hypothesized that the average number of toothbrushing practices per day ...