Resources : Glossary
Index : A B C D E F G H I J K L M N O P R S T U V W Y Z
Clarifier Filter
A pressure filter containing cloth leaves which support a porous filter medium and filter out all fine solids from relatively clear feed solution.  The sludge collected is periodically flushed from the filter on a regular cycle.
Pb
the symbol for lead (from Plumbum) on the Periodic Table.
Roof fall
A coal mine cave-in especially in permanent areas such as entries.
Rotary Air Blast (RAB) drilling
A method of drilling where the drilling tool is turned in the hole without any percussive or hammer effect.
Tailings dam
A storage area designed to safely store tailings in perpetuity.