Everything was looking great before the first sentence, but they messed everything up in the second… So the reason for sales of these parts is the specialized nature of the rocket appliances. The reason being is that if there occurs a malfunction in an appliance, it could cause an explosion, so one could say that these parts are sensitive and need to be manufactured with precise care and attention and their potions are to used only at the right place and at the right time. And only replacements of these specialized parts truly capture the task of restoring the potential of all of the parts inside the appliance, so as one could see, these parts are crucial along with the fact that maintaining them is quite easy with our servicing.