What does PBW stand for?

What does PBW mean?

PBW	Parts By Weight Miscellaneous » Food
PBW	PaperBack Writer Business » Positions
PBW	Part By Weight Miscellaneous » Unit Measures
PBW	Powdered Brewery Wash Miscellaneous » Food
PBW	Project Bird Watch Community » Non-Profit Organizations
PBW	Particle Beam Weapon Governmental » Military
PBW	Poincare Birkho Witt Community
PBW	Portable Business Writer Computing » Software
PBW	Palm Beach Watersports Business » Firms
PBW	Palm Beach Watersports Community » Sports
PBW	Paul B. Wilson, Ph. D. Community » Famous
PBW	Proportional Band Width Governmental » NASA