1 Nirjharâs interest is to know different technology and process engineering. 2  Raw iron is found in earthâs crust, as an ore. 3  Iron ore mostly found as Fe 2 O 3 (the form of iron oxide found as the mineral hematite). 4  At present, blast furnace is most commonly used furnace to produce iron.
The weight of a railroad tie depends on their size and specifications. They can range anywhere from 100 to 300 pounds.
Keep the knot in the thick leader line as small as possible, so a simple overhand knot is a good choice... 1. Tie a simple overhand knot on the 50lb or 60lb leader line. 2. Put the end of the mainline through the overhand knot before it is pulled tight.