natu - obsc
- neat
- neat's leather
- nebula
- necessary
- necessary condition
- necessity
- neck
- neck bearing
- neck bushing
- neck collar journal
- neck down
- neck flange
- neck journal
- neck journal beraing
- neck out
- necked part
- necking
- necking tool
- need
- needle
- needle bearing
- needle eye
- needle file
- needle fracture
- needle gap
- needle nozzle
- needle throw
- needle valve
- needle-like; needle-shaped
- NEF-thread
- negation
- negative
- negative acceleration
- negative allowance
- negative charge
- negative electricity
- negative electrode
- negative feedback
- negative glow
- negative glow lamp