wyszukanych pozycji: 2
Influence of weed control methods on growth and yield of aromatic rice
ISBN: 9783330082489 / Angielski Termin realizacji zamówienia: ok. 10-14 dni roboczych. |
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cena:
325,38 zł |
Water level & pump control Monitoring system
ISBN: 9786205525517 / Angielski / Miękka / 88 str. Termin realizacji zamówienia: ok. 10-14 dni roboczych. In recent times many underground water supply systems have seen several technological advances. Among these technological advances is the mechanization of the well/bole hole water. In most rural settings a mechanical pump is attached to the bole hole. These pumps draw water from underground through strokes on a level system mounted at the top of the bole hole. This type of bole holes needs a lot of manual labour from the consumer and may in many cases cause undue delays to reach quality water. A typical solution to ease the consumer is the introduction of an electrical pump system. The...
In recent times many underground water supply systems have seen several technological advances. Among these technological advances is the mechanizatio...
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cena:
198,67 zł |