Diesel engines are important and effective in many services, but it is no friendly for environmentally.
Since liquefied petroleum gas is prolific in Iraq at a lower price than other fuels and is clean and environmentally
friendly, one of the important research topics is the use of liquefied petroleum gas in diesel engines
Selection of cut off grade in long-term open pit mine planning is a tough research challenge now-a-days. The
subsequent operational planning for the selected cut off grade decides the economic factor in mine production
scheduling.
The occurrences of unexpected failures in heavy earthmoving machines (HEMMs) lead to the downtime
that reduces the productivity, safety, and reliability of the machines. Unwanted failures increase the likelihood of
unplanned maintenance activities.
Soda lime is one of the most popular carbon dioxide absorbent materials to be used for closed-circuit life
saving safety breathing apparatus in mining industries. A trained rescue person uses it during a situation such as a
fire, explosion or emission of toxic gasses in underground mines.
