He aided in the discovery of the cog and gear system, which later added into the creation of machinery in the Industrial revolution.
His flying machines gave a new perspective to engineering.
Applying SPF 70 is the best that can be applied to the skin to avoid skin cancers, sun burns, and wrinkles
Answer:
pretty sure it's aspect ratio
Thomas Edison and William Dickson
Explanation:
<u>needs </u><u>point </u><u>haha </u><em>Sana </em><em>all</em>
