datarack

 power generation from stored water tank at height and its efficiency in the bellow video he explains how governments use stored water at heights using excess power to regenerate power later.. he also shows efficiency of such systems in percentage and compare it with small scale models or units.. he saya efficiency is lower in small scale compared to large scale.

why everyone should not do shiva abhishekam - 

 why we should not step on shiva Abhisheka theertham

 we can pray shiva linga from anyside around it fro front , back, left , right and from top even..

in the bellow video he says about two important pournamis or full moons that occur every year. aswayuja pournami and karthika pournami he explains some interesting story and procedure do do vratha on aswayuja pournami.   by another pandit

 this is the method used to extend the structure by joining two bamboo sticks. the knot is explained in the video

 Hero Ajith at unusual spot in agricultural farm in the video he says hero ajith comes here regularly.

 in this video he says bore is not good for natural farming as the water from surface would go down as we take water from bottom. he suggests digging lake is better.

  in this videos he explains how to make biochar and its benfits. he says this method will reduce use of fertilisers. video shows the procedure of making biochar in tamil

   in this video he says bamboo grows 4 feet a week and full height in 2 years is stronger than steel by weight and cheaper for same strength.  it gives 30% more oxygen .  One adult human being required about 850 gram oxygen in a day. One Bamboo pole can cover almost 80℅ of the adult requirement. Means one tree is enough for a family as oxygen generator. - from Quora. clothes made with are softer than 100 thread cotton bedsheet. https://www.youtube.com/watch?v=bGdMTIxU9Uc

  they deliver fruits, milk, vegetables and groceries anywhere in chennai for free without any minimum order . they have subscription plans at 99/- per month as there is no minimum order we can order even a single lemon or milk packet..  https://www.suprdaily.com

 they buy 800 for 7000/- car doors from 1000/- to 4000/- all original spare parts taken from scrap cars.. 

 lithium iron phosphate battery vs lithium ion battery  lithium iron battery energy density at 150/200 Wh/kg  good to provide power for small devices such as mobiles and laptops as they can not carry large batteries.  lithium iron phosphate battery energy density at   90/120 Wh/kg   lithium–titanate battery 3000-7000 charge cycles life . compared to  other lithium-ion batteries,  Li-Titanate batteries are faster to charge up to 10C. high security, high stability. lower energy density compared to other lithium batteries but more than led acid type

hub motor vs mid drive motors for ebikes this video explains the difference with pictures and examples. and best to use applications for these motors in ebikes.

  how to fix mid drive motor on your cycle. this below video shows removing of existing chain system and fixing mid drive motor to the cycle..

company manufacturing electric bike parts and motors https://www.bafang-e.com/en/home/  manufactures hub motors that has tyres fixed to motors and mid-drive motors that connects to the existing gear system. it is one of the largest company in china.

 dairy business management course with indian cow breeds it shows different indian breeds like ongole, gir cow and many with specs and technology http://ecoursesonline.iasri.res.in/course/index.php?categoryid=87 http://ecoursesonline.iasri.res.in/course/index.php?categoryid=83

 convert pdf to excel from links directly and perfectly. this bellow website converted from pdf to excel perfectly. I tried copying data and paste it in to excel but it was not pasted properly. it was not pasted properly even in notepad. https://www.pdf2go.com/

 Solar power panels to get government subsidy.. we get 50% subsity. 30% from india and 20% from gov. max eligibility is 1kw per house. http://www.teda.in/pdf/CIS_INSTALLERS.pdf

 to learn NLP use these two popular Libraries of NLP in Python free NLTK and spaCy spacy is the new one  https://course.spacy.io/en/ https://www.kaggle.com/learn/natural-language-processing

  learn machine learning for free from kaggle learning center here in kaggle they are providing free tutorials to learn from basics. you can learn python, data science and machine learning. https://www.kaggle.com/learn/overview?utm_medium=youtube&utm_source=channel&utm_campaign=yt-learn