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nThe purpose of this gadget is to reduce human effort and make the task of cutting and slicing vegetables considerably easier and faster. Its key characteristics are that it is totally automated, portable, uses less power, and has replaceable stainless, sharp blades. The machine consist of a reciprocating piston arrangement which works is chopping the vegetable and on other hand we constructed a rotating slicer for slicing purpose. A disciplined product design approach was used to create and establish this product. The tools that are mostly used to achieve this activity are product planning, customer needs identification, product definition, concept screening, concept scoring, and bill of materials. The machine is advantageous in that present automatics are expensive and consume a lot of energy.n

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1. Romeo et al (pub no:US2009/0193953 A1), “Design of pneumatic powered cutter ”
2. Romeo et al (intl patent no: W02008/011671 A1). “Actuation mechanism”
3. Javier Hidalgo Garcia, Aitor Aguirrezabalaga Zubizarreta, and Aitor Gogorza Segurota (patent no:
20120125172). “Cutting grid patent”
4. Lau, Pui Yean. Semi automatic machine. Diss. Tunku abdulRahman university college, 2016.
5. “Design of an automated vegetable cutter and slicer.” International Conference on Industrial
Engineering and Operations Mangement 2019.
6. C.P.N. Awili; B.V. Omidiji and I. I.Awili, “Design of manual vegetable slicing machine” Nigerian
journal of research and production,Volume 15, No 2, 2009.
7. Kamaldeen O.S, Arowora K.A, Abioye and J.S, Awagu E.F, “Modification of manually operated
tomato slicing machine”,International Journal of Engineering Science and Computing (IJESC),
Volume 6,Issue no. 17, July 2016.
8. Mr. Kartika S.B and Mr. Arahanth, “Design anddevelopment of a potato slicer”, IOSR Journal of
Mechanical and Civil Engineering (IOSR-JMCE),Second International Conference on Emerging
Trends in engineering(SICETE), PP. 21–26, 30 July 2012.

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nLinear regression is a statistical technique for estimating the value of a dependent variable from an independent variable. Linear regression is a way to assess how two variables are related. A dependent variable is predicted using this modelling technique based on one or more independent factors. Many analyses are based on linear regression. Sometimes the data must be changed to satisfy the needs of the analysis, or extra room must be made for the X variable’s high uncertainty. Alternative robust nonparametric approaches can be utilised if the conditions for linear regression analysis are not satisfied. When the straight line in a data set passes through the origin at 0, 0, simplified equations can be applied. The most common method for predicting the value of the Y variate at any value of the X variate is linear regression. However, occasionally, an inverse prediction is required, which requires a different strategy.n

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1. Fahrmeir L, Kneib T, Lang S. 2nd edition. Berlin, Heidelberg: Springer; 2009. Regression-Modelle, Methoden und Anwendungen.
2. Bortz J. 6th edition. Heidelberg: Springer; 2004. Statistik für Human-und Sozialwissenschaftler.
3. Selvin S. Epidemiologic Analysis. Oxford University Press. 2001.
4. Bender R, Lange S. Was ist ein Konfidenzintervall? Dtsch Med Wschr. 2001; 126.
5. Sir Bradford Hill A. The environment and disease: Association or Causation? Proc R Soc Med.1965; 58: 295–300.
6. Carpenter JR, Kenward MG. Missing Data in Randomised Controlled Trials: A practical guide Birmingham, Alabama: National Institute for Health Research. http://www.pcpoh.bham.ac.uk/ publichealth/methodology/projects/RM03_JH17_MK.shtml.PublicationRM03/JH17/MK. 2008.
7. EMEA. Poiints to consider on multiplicity issues in clinical trials. www.emea.europa.eu/pdfs/human/ewp/090899en.pdf.
8. Horn M, Vollandt R. Stuttgart: Gustav Fischer Verlag; 1995. Multiple Tests und Auswahlverfahren.
9. Pedhazur, Elazar J (1982). Multiple regression in behavioral research: Explanation and prediction (2nd ed.). New York: Holt, Rinehart and Winston. ISBN 978-0-03-041760-3.
10. Mathieu Rouaud, 2013: Probability, Statistics and Estimation Chapter 2: Linear Regression, Linear Regression with Error Bars and Nonlinear Regression.
11. National Physical Laboratory (1961). “”Chapter 1: Linear Equations and Matrices: Direct Methods””. Modern Computing Methods. Notes on Applied Science. Vol. 16 (2nd ed.). Her Majesty’s Stationery Office.

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nThe automated gutter cleaning device is suggested with the intention of clearing the trash and debris from the drainage gutter. and direct them toward a tidy and sanitary atmosphere. The primary goal is to streamline and lower the cost of rubbish management. India is a developing country that relies heavily on labour for most jobs Since labour is used to manage waste in India, there is always a potential that someone would die while working. A report claims that a death occurs every three days among the labourers cleaning gutters and drainage systems, who either contract dangerous infections or, in the worst situations, lose their lives from working in filth. To resolve this issue and save many lives, we offered the idea of a “Automated Gutter Cleaning Machine.” The project contributes to environmental protection and helps prevent human fatalities.n

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1. IJRET: International journal of research in engineering and technology eISSN 2319-1163 | pISSN: 2321-7308.
2. International journal of science and technology management and research volume 2 issue 2 February 2017.
3. International conference on exploration and innovation in engineering and technology.
4. International journal of engineering science and computing May 2017 vol. 7 issue no. 5.
5. https://en.wikipedia.org/wiki/Drainage_system.
6. Theory of machines –S S Rattan Department of Mechanical Engineering Regional Engineering College Kurukshetra (2004). Publication: Tata McGraw-Hill Publishing company Limited.
7. IJRET: International journal of research in engineering and technology eISSN 2319-1163 | pISSN: 2321-7308.
8. International journal of science and technology management and research volume 2 issue 2 February 2017.
9. International conference on exploration and innovation in engineering and technology (ICEIET 2016).
10. International journal of engineering science and computing May 2017 volume 7 issue no 5.
11. Mragank Sharma, Shahbaz Siddiqui, Archit Pawan Srivastava, Shiwam Kumar Tiwari, “Design And. Fabrication of Automatic Drainage Cleaning System using Solar Panel”, IJESC, vol.7, May 2017.
12. Ganesh U L, Vinod V Rampur, “Semi-Automatic Drain for Sewage Water Treatment of Floating. Materials”, IJRET, vol.5, Jul 2016.
13. Ganesh S. Patil, Rahul A. Pawar, Manish D. Borole, Shubham G. Ahire, Ajay L. Krishnani, Amit H..Karwande, “Drainage Water Cleaner Machine”, IRJET, vol.5, Mar. 2018.
14. Nitin Sall, Chougle Mohammed Zaid Sadique, Prathmesh Gawde, Shiraz Qureshi, Sunil Singh. Bhadauriya, “Drain Waste Water Cleaner”, GJRE, vol.16, 2016.
15. Amay Tipalyale, Kunal Jadhav, Sanket Dashmukhe, Harshal Nisal, Yogesh Naragude, “Smart Drainage. Cleaning System”, IJSRD, vol.5, 2017.

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nDue to a lack of technological advancement, battling fires has long been a dangerous job that frequently results in devastating losses. A human being is prone to error, and current firefighting techniques are ineffectual and inefficient. The use of robots rather than people to deal with fire dangers is a recent idea that has gained popularity. Our project entails building a robot that can recognise and put out a fire in a particular setting. This autonomous system was created using Arduino UNO programming. The Arduino UNO evaluates the fire detection data from the flame and MQ2 sensors and turns on the extinguishing system. Additionally, it uses a GSM module to call a cell phone and send SMS messages with fire information. With the help of this robot, we can put out fires at their source, do away with the need for firemen, and lessen the damage they do.n

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1. Jung-Hyun Park, Byung-Wook Kim, Dong-Jo Park and Moon-June Kim, A System Architecture of Wireless Communication for Fire-Fighting Robots, 2008.
2. Chih-Lin Chen, Ting-Ru Chen, Shih-Hao Chiu, Pawel L.Urban, Dual robotic arm Production.
3. Teh Nam Khoon, Patrick Sebastian, Abu Bakar Sayuti. Saman, Autonomous Fire-Fighting Mobile Platform, Procedia. Engineering 41 (2012) 1145–1153.
4. Adeel ur Rehman, Dan-Sorin Necsulescu, Jurek Sasiadek,Robotic Based Fire Detection in Smart Manufacturing. Facilities, IFAC-PapersOnLine 48-3 (2015) 1640–1645.
5. F.A. Candelas, G. J. García, S. Puente, J. Pomares, C.A. Jara,. J. Pérez, D. Mira, F. Torres, Experiences on using Arduino.for laboratory experiments of AutomaticControl and Robotics IFAC-PapersOnLine 48-29 (2015) 105–110.
6. Keigo Watanabea, Yuka Uedab, Isaku Nagaia, Shoichi. Maeyamaa, Stabilization of a Fire Truck Robot by an Invariant Manifold Theory, 2012.
7. P.H. Chang and Y.H. Kang, et al., “Control Architecture. Design for Fire Searching Robot using Task Oriented Design Methodology”, SICE-ICASE 2006, Oct. 2006.
8. Daniel J. Pack; Robert Avanzato; David J. Ahlgren; Igor M. Verner; “Fire-Fighting Mobile Robotics and Interdisciplinary. Design-Comparative Perspectives”, IEEE Transactions on Education, 3 August, 2004, Volume 47, No. 3.
9. Young-Duk Kim; Yoon-Gu Kim; Seung-Hyun Lee;Jeong-HoKang; Jinung An; “Portable Fire Evacuation Guide Robot System”, Intelligent Robots and Systems, IEEE/RSJ
10. Robots Today and Tomorrow: IFR Presents the 2007 World Robotics Statistics Survey Archived 5 February 2008 at the Wayback Machine; World Robotics; 29 October 2007. Retrieved 14 December 2007.
11. Kim, J.H., Kim, Y.D., Lee, K.H.. The third generation of robotics: Ubiquitous robot. In: 2nd International Conferenceon Autonomous Robots and Agents (ICARA), 2004.
12. P.H. Chang, K.B. Park, G.R. Cho, J.K. Kim, W.J. Lee, “”A Vision Enhancement Technique for Remote Control of Fire-Fighting Robots””, Korean Institute of Fire Science & Engineering, 2007.
13. T. Rakib and M. A. R. Sarkar, “”Design and fabrication of an autonomous firefighting robot with multi sensor fire detection using PID controller,”” 2016 5th International Conference on Informatics, Electronics and Vision (ICIEV), Dhaka, Bangladesh, 2016, pp. 909-914.

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nIn this research paper studied about solar water heater with their construction and applications. If we see today’s scenario, the hot water uses increase day by day in industries, domestic and commercial purposes. In the current era, we are using various resources like coal, petroleum products, electrical energy etc for heating the water. These resources too expensive for heat the water. Solar power is the best resource for replacing the conventional resources for water heating purpose. In solar water heater system, solar energy is used to heat up the water. For this purpose, we required large amount of solar energy, this we achieve by using solar collector. A solar collector is a device that converts solar radiation into heat. For the storage of warm water an insulated tank is also required. In this research paper we also see about construction and components we use and literature review on solar water heater is also presented.n

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1. Bennet T. (2007). “Solar thermal water heating, a simplified modelling approach”.
2. Ken Butti, John Perlin (1980) “A Golden Thread,” Van No strand Reinhold Company.
3. Roger Taylor (2006). “Solar thermal technology and applications”, NREL, pp 7.
4. Solar Energy to generate Clean Power. (2014).http://alaidaroos-solar.com/en/?p=49
5. How to Identify an Appropriate and “Good Solar Water Heater System” for Your Home (September, 2020). GharPedia. https://gharpedia.com/blog/how-to-identify-good-solar-water-hea ter-system-for-home/
6. Soteris A. Kalogirou (2004). “Solar thermal collectors and applications”, Progress in Energy and Combustion Science 30, pp 231–295.
7. AKTAẞ, M. (2006). OlhanCEYLAN, Hikmet DOĞAN―The Thermal Effectiveness Compression Of The Classical And Finned Solar System Ist BilimiveTekniğiDergisi, 26, 2, 29–33, 2006. J. of Thermal Science and Technology.
8. Sadrin, S., Hossain, M., & Mohith, E. (2009). Alternative solar water heater for domestic purpose (Doctoral dissertation, BRAC University).
9. Prasad, P.R., Byregowda, H.V., & Gangavati, P.B. (2010). Experiment analysis of flat plate collector and comparison of performance with tracking collector. European Journal of Scientific Research, 40 (1), 144–155.
10. Martín, R.H., Pinar, G.A., & García, J.P. (2011, November). Experimental heat transfer research in enhanced flat-plate solar collectors. In World Renewable Energy Congress-Sweden; 8–13 May; 2011; Linköping; Sweden (No. 057, pp. 3844–3851). Linköping University Electronic Press.
11. K. Sivakumar, N. Krishna Mohan and B. Sivaraman (2005) “Performance analysis of elliptical heat pipe solar collector” Indian Journal of Science and Technology
12. Hawwash, A.A., Rahman, A.K.A., Nada, S.A., & Ookawara, S. (2018). Numerical investigation and experimental verification of performance enhancement of flat plate solar collector using nanofluids. Applied Thermal Engineering, 130, 363-374.
13. O’Keeffe, G.J. (2018). Mathematical modelling of nanofluid-based direct absorption solar collectors.
14. Emetere, M.E., Emetere, J.M., &Ometan, O.O. (2019, December). A short review on solar concentrator for energy generation in tropical coastal belt. In Journal of Physics: Conference Series (Vol. 1378, No. 4, p. 042027). IOP Publishing.
15. Amoabeng, K.O. (2012). Assessing the Feasibility of a Solar Water Heating System Based on Performance and Economic Analysis. Kwame Nkrumah University of Science and Technology: Kumasi, Ghana.
16. Oye, T.K., Gupta, N., Goh, K., & Oye, T.T. (2020). A Smart and Sustainable Concept for Achieving a Highly Efficient Residential Bathroom: A Literature Review. International Journal of Innovative Science and Research Technology., 5 (3).
17. Teshale, L. (2020). Assessing the Feasibility of A Solar Water Heating System for Two Hotels in Dangila (Doctoral dissertation).
18. Zirnhelt, H. (2008). Energy and Climate Change at the University of British Columbia: Background Report.
19. Wang, Y., & Zhao, L. (2006). Economic Analysis of Solar Water Heaters in GuangZhou.
20. Yasin, A. (2017). Technical and Financial Assessment of Glazed and Evacuated Tubes Solar Collectors for Domestic Water Heating Application in Palestine.
21. Shahdadi, N. (2020). Analysis of acceptance of solar energy utilization in rural areas in order to achieve sustainable development (Case Study: Villages of Hamoun Township) (Doctoral dissertation, University of Zabol).
22. Yasin, A.M., Al Sayed, M., Yasin, B., & Arafat, H. (2011). Evaluation of Energy and CO2 Savings of An Institutional Collective Solar Water Heating System in Palestine.

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