Pentel mechanical pencil Super Hi-Polymer leads let you jot down crisp, clean messages that are easy to read. This lead refill works with most Pentel mechanical pencils and competitors for wide ...

It looks to be a long stick of lead like you might find in a mechanical pencil. If you were really observant, you might have also found something else hiding in the image. On the opposite side of ...

SYRACUSE, N.Y. — After assuring residents here for months that their tap water is safe to drink despite earlier tests showing high lead levels, city officials announced Thursday that some of ...

Although lead has been mined for 6000 years, lead processing skyrocketed in the 20th century. 1,8 A malleable and durable metal, lead was used to prevent fuel from burning too quickly and to ...

Get inspired at a world leading Mechanical Engineering Department. Isabela shows us what it's like to be a first year student. What's it like to be a first year student in the Department of Mechanical ...