Pioneering work in rainwater harvesting is often attributed to various cultures and individuals throughout history. However, modern advancements can be significantly credited to figures like Dr. S. S. S. K. Chandrasekaran in India, who promoted its use for sustainable water management. Additionally, organizations like the Rainwater Harvesting Association have helped to popularize and implement rainwater harvesting techniques globally. Various local and indigenous practices also play a crucial role in the development of this field.
DC shunt motor can be reversed by changing the polarity of either the armature coil or the field coil.
When done correctly it doesn't matter where a weld is made.
because if the irrigation is done properly the farmers can work properly on their fields without facing any problem of water it is also necessary because even during famine no field is left without water and even then our country can progress well and it is useful for our coming generation also
A green field site is an area that has not been built on (the countryside)
no resin, just reversed osmosisto get purest type of water, wayer purification can be done in a water purification plant, which involves mechanical, biological and chemical cleaning of the water and bringing it up to international standards
by rainwater harvesting
Rain water harvesting should be done at the drought occurring areas.
Teach them how to compost their humanure; so they can conserve their drinking water and prevent contamination. rain harvesting can be done also.
Harvesting is still often accomplished through manual means, although mechanical techniques are increasingly being used.
Irrigation is providing water to crops when it is needed. In large fields and some gardens this is done through a system that sprays water on the field. it can also be done by digging trenches from a water source.
Many companies have but I believe BMW has done most.
If you done commerce you can go IT field
Guava Trees should be pruned from October right after done harvesting.
A radish, when grown as a salad food crop, has a lifespan of less than a year, from seed sowing to harvesting. Harvesting, in the home garden, is done over a period, as and when the radishes are needed to be added to the family's Summer salad.
cold sterilization can and is done in a soak of Cidex solution (glutaraldehyde) in the medical field. Sterilization can be done with steam, gas, and solutions like Cidex.
Water conservation is done by using less water in day by drip irrigation in the field and doing recycling of the water and drink as less water water as you can manage in a day.water is a very precious thing without that our life is empty
Rainwater harvesting is done by collecting and storing rainwater from rooftops or other surfaces in tanks or barrels. The collected rainwater can be used for various purposes like watering plants, flushing toilets, or even for drinking after proper filtration and treatment. Gutters and downspouts are typically used to direct the rainwater into the storage containers.