1 The slave trade was abolished in the District of Columbia. 2  The Fugitive Slave Act made any federal official who did not arrest a runaway slave liable to pay a fine. This was the most controversial part of the Compromise of 1850 and caused many abolitionists to increase their efforts against slavery.
What is Galvalume? GALVALUME sheet steel coating is an alloy of 55% aluminum, 1.6% silicon, and the balance of zinc by weight, this coating is approximately 80% aluminum.
Galvanizing is the practice of immersing clean, oxide-free steel into molten zinc to from a protective coating over the metal. The coating is bonded metallurgically to the steel and this coating helps to protect the surface against corrosion. In recent use, the term refers to the coating of steel or iron with zinc.