FFD (functional flow diagram)

calendar spread dike sloughing drip rendering gas supply system genetic theory gun probe system Mackenzie Alexander mpac Much water run by the mill that the miller knows n nivation(snow erosion) nuclear fracturing o.a.s overlay handler panel type relay interlocking reinvented the wheel resentient shovel sprinkler stoker spheric retrodirective array Stachys xanthantha Venushair