Meanings

coordinate bond

ligand

joint control

to erase all trace of something

controlling stock

mailman

allocation

mating behavior

delivery day

intron

start of deployment

light distribution (e.g. in candle-power or candela)

printed wiring board

printed wiring board

routing (cables, esp. in vehicles)

to wield a baton

prince consort

electrical distribution network

distribution (e.g. power, water, etc.)

right-angled loop (used in plumbing)