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.
DURALITE 70 G is a bauxite based brick made with higher purity and more refractory raw materials than general purpose 70% alumina brick. It can be used in all applications where general purpose 70% alumina brick would normally be recommended, but operating conditions require an upgrade.