Content writing -articles

I need 100 articles by 150-300 words each about different types of heat exchangers.. all articles must be unique, not 1 article rewritten 50 times. brazed plate heat exchanger wood boiler heat exchanger wood furnace heat exchanger solar heat exchanger hvac heat exchanger shell tube heat exchanger water to air heat exchanger liquid to liquid heat exchanger hot water heat exchanger The articles must include specifics and be to the point (meaning i don't need 100 word introduction about cold weather) and be original. Articles must be of high enough quality to be posted on industry websites. Each article should have its own title. Feel free to submit a sample