Simplify the following text for a Grade 10 native English-speaking person.
Original: A mining feasibility study is an evaluation of a proposed mining project to determine whether the mineral resource can be mined economically . There are three types of feasibility study used in mining , order of magnitude , preliminary feasibility and detailed feasibility .
Simplified: A mining feasibility study is normally done before to a mining company buying land and is done to lower the risk of failure and reduce losing money for a mining company .