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.
A skinny tie is a necktie that is narrower than the standard tie, and often all-black. Skinny ties have widths of around 2 1â2 inches at their widest, compared to usually 3â4 inches for regular ties.