Cable trays used in industries

Trough Cable Tray way

Cable trays are used for mechanical protection and giving a perfect routing path for running large quantities of power or control cables overhead or under-floor. According to the National Electrical Code (NEC), a cable tray is a unit or assembly Continue reading

Electrical Protective devices

Electric protection

Electrical protective devices have very important role in these days because of our life very close or depending to electricity so protection from electrical fault is very important in our life. Fuse Fuse is a system of fuse wire,placed in Continue reading


സർവ്വസമവാക്യങ്ങൾ. 🔹(a+b)² = a²+2ab+b² 🔹(a-b)² = a²-2ab+b² 🔹a²-b² = (a+b)(a-b) 🔹a³+b³ = (a+b)(a²-ab+b²) 🔹a³-b³ = (a-b)(a²+ab+b²) 🔹a³+b³ ─────── = a+b a²-ab+b² 🔹a³-b³ ────── = a-b a²+ab+b² 🔹(a+b)³ = a³+3a²b+3ab²+b³ 🔹(a-b)³ = a³-3a²b+3ab²-b³ 🔹(a+b)²+(a-b)² = 2(a²+b²) 🔹(a+b)² – (a-b)² = 4ab Continue reading

Raman spectroscopy


Introduction to Raman spectroscopy Raman spectroscopy was named in the honor of its inventor, C.V. Raman. Raman spectroscopy (RS) is a versatile method for analysis of a wide range of samples. It resolves most of limitations of other spectroscopic techniques. Continue reading

Lithographic technology

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Credits technologystudent

Lithographic technology is a printing method that uses electrochemical process to create an image.Lithographic is a greek word means lithos, meaning “stone”, and graphein, meaning “to write”. It was invented in 1796 by German author and actor ” Aleos Senefelder Continue reading