pneu - prel
- practice in testing
- practicing engineer
- prase
- pre-blast
- pre-Cambrian
- pre-Cambrian foldings
- pre-Cambrian rock
- pre-commissioning
- pre-development
- pre-dried screened coal
- pre-fracture gas yield
- pre-mining stress
- pre-Palaeozoic placers
- pre-pilot mining test work
- pre-production costs
- pre-production period
- pre-programmed drill pattern
- pre-Quaternary
- pre-Quaternary formations
- pre-recorded signal
- pre-shear
- pre-shutdown activity
- pre-sink operation
- pre-splitting blasting
- pre-start alarm
- pre-tensioning method
- pre-wet screen
- preaeration
- precast concrete
- precast concrete segmental shaft lining
- precast concrete slab
- precaution
- precautionary boring
- precautionary measures
- precautions
- precementation
- precementation borehole
- precious
- precious jewel
- precious jewellery
