Transitions: additionally, again, also, and, and then, as well, besides, equally important, finally, first (second, third, etc.), further, furthermore, in addition, incidentally, in the first place, lastly, moreover, more important, next, still, then, too, what is more

Example: Mason (2007) highlighted the three mechanisms that are always operable within the air compressor. Additionally, she noted the two mechanical elements that only work when the air compressor reaches full power (Mason, 2007).

Explanation: Here, the transition "additionally" highlights additional information the author has included in the essay (the two other mechanical elements that can be used).