vigyanashram

plumbing food preservation maps water treatment water simple machine wiring grey water brickworks animal age determination air conditioning low cost housing bamboo solar energy solar structures plant nursery polyhouse bamboo chairs bamboo chair solar cooker plant nutrients hemoglobin costing seed treatment construction tools food spoiling pumps catchment areas monsoon and droughts dairy cows plane table surveying contours surveying dumpy level guava jelly cables basic electricity drinking water water supply design process solar dryer solar dryers soil testing metals azolla tdn calculation soil npk testing fertilizer dose fertilizers type plant propogation food preservation techniques mango jam driers stoves screw wedge gears whee simple slope lever brick types construction bonds tools safety manufacturing tools threading structural elements construction types rcc hemoglobin test anemia cash flow statement budgeting plant propagation bricks rain guage water audit rainwaterharvesting artificial recharge groundwater water flow measurement water conservation farm tank puran poli puran instant mix water tank collapse wires led rainfall measurement solar panels solar cells groundwater electricity bill calculation engines cells and bateries hearing aid do it yourself farming tools poultry mur ghas emu organic farming honeybee aqua fish farming bird flue drawing marathi ppt mati parikshan maps and views leveling dumpy levels w.c. jelly guava instant mix dhokla preparation of chikki in marathi bio-gas ohms law circuits connections circuits vent glazing lightning in home importance of windows how to cool house ventilation house water resources water hygiene sanitation bamboo joints bamboo treatment design of bamboo chair stakeholders team building solar cookers potassium nutritional deficiency fertilizers nitrogen phosphorus ph nutrients frictional force static electric force mechanical force muscular force types of forces forces magnetic force gravitational force dates sauce tamarind soymilk preparation process checking hb level blood haemoglobin level gps basics applications information in hindi engineering drawing views labeling to the scale electricity insulators power conductors wind speed dead load dynamic load quality structure volume calculation area calculation aluminum wood copper cement chemistry non-metals types of materials vigyan ashram engineering