nitro-rayon
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- collar
- Brick model
- marsh mallow chocolate
- knitted fishing net
- modular single point annunciator
- boring hose
- circular auto-control heating oven
- pin disk mill
- wing float
- pig leather for making gloves
- wool-mohair-silk mixed fabric
- travelling microscope
- round can end curler
- hardbake
- picture oscillating transformer
- eupolyphaga sinensis
- rotary press
- coaling crane
- neocupferron
- demodulator of frequency shift signal