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.
TIG, Heliarc or GTAW (Gas Tungsten Arc Welding) is a welding process where a non-consumable tungsten electrode is used to heat up the material and melt it, creating a weld puddle. Unlike GMAW, the weld is produced from a single metal type, because there is no filler metal used for the weld.