Metallurgy

Metal is important in this life such as to make a construction, manufacture industrial,
automotive,or etc. Metal is: Steels, stainless steel, cast iron etc...
Ingredient of metal: composition 0,8 % Carbon (autectoid steel, HSS(hard speed steel etc...
                              Bellow 0,8 % C (hypo autectoid soft steel such plate or etc....
                               Up to 0,8 % Carbon (Hyper autectoid is cast iron or etc...
To acheiv ingredient composition of carbon(C) is to follow hardening process is
Heating and carbon system process to acheive steel is production requirement

Fire Hydrant, Fire Sprinkler, Fire Alarm system, FM-200

The fire protection is to prevent of burn occur since the fire can be matter
in around our live, stay or we any to void of fire we also to provide
a fire extinguisher in houses should be provided portable fire extinguisher
multi purpose dry chemical on the building should be provided Fire hydrant,
fire sprinkler (the building more than 5th floor) fire alarm, fire extinguisher
on the transportation plane, vessel, train, truck armada, workshop,or etc
should be provided the fire protection

Pumps

Pump is machine of used to move  the fluid is water, oil, fuel, or etc from the container to container
difference place against rise level or not. Type of pumps: centrifugal end suction, centrifugal
split case, piston pump, gear pump
Centrifugal end suction is usually used for water or chemical pump variable pressure up to 10 bar or 150 psi
total head : 100 meters and 2950 rpm up to 1000 USGPM
more this specification used centrifugal split case pressure up to 20 bar or 300 psi
and total head 200 meters up to 5000 US. GPM
Piston pump and gear pump usually used for oil, fuel pump and the capacity is pressure: 10 bar,
total head: 10 meters and up to 500 USGPM type, brand, and spec. to follow...