Melt-blown filter layer and greenhouse: what they have in common

1. Step 1. Melt-blown filter layer — is part of — Respirator. An electrostatic precipitator.
2. Step 2. Respirator — is made of — Activated carbon. The filter is activated carbon.
3. Step 3. Activated carbon — is part of — Water filter. A charcoal filter.
4. Step 4. Water filter — is part of — Drip irrigation. Water is filtered before the drippers, or the thin tubes clog.
5. Step 5. Drip irrigation — is a kind of — Irrigation. A kind of irrigation.
6. Step 6. Irrigation — is used in — Greenhouse. Watering plants.

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