++ Use household bio-gases ++1. the use of gas in the household can reduce expenditures instead of gas, LPG has an average 300 – 500 baht/month/household.2. mask of animal manure through the degradation in ponds as organic fertilizer that uses gas instead of chemical fertilizer in planting vegetable gardens.3. vegetable is safe, non-toxic household and consumer use. sells.4. various pollution reduced.5. take advantage of cost-effective manure and powerful.
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