bit - bore
- bit length of data
- bituminous varnish
- bitwise AND block
- bitwise NOT block
- bitwise OR block
- BL
- black oil
- blanked-off nozzle
- blast resistant
- bleeder knockout drum
- BLEND
- blending fuel
- blending master control block
- blending PI controller block
- blind pier
- block mode
- block mode highest priority
- block mode lowest priority
- block processing timing
- block status
