Complex sentence: This is to help the modules maintain their structural integrity as they are transported on trucks to the construction site; however, it is difficult to predict the final building strength since the modules need to endure transportation stresses that traditional homes never experience.
Split into simpler sentences: This is to help the modules maintain their structural integrity as they are transported on trucks to the construction site. However, it is difficult to predict the final building strength since the modules need to endure transportation stresses that traditional homes never experience.