Light Source | Illumination Engineering | Building Services
11:37
Radiometric and Photometric principles | Illumination Engineering | Building Services
36:37
Polyhedra and polyhedral surfaces | Architectural Geometry
12:24
Basics Concepts in Optics | Illumination Engineering | Building Services
8:03
IP Rating क्या होता है? | Building Services- Electrical
3:41
3-Phase Power Explained: Why It's Not 220+220+220 = 660V!
15:47
UV-Visible Spectrophotometer,tungsten lamp, deuterium lamp, PMT, Photomutiplier tube, photo diode
18:17
Restaurez vos vieilles piles AA dès aujourd'hui !
10:34