04:07
leukemia in children
04:11
Study of some of the basic characteristics of soil
00:56
Invitation to attend the graduation project
04:21
Thermal chimney elbow design
00:56
Trailer for a medical clinic
00:33
Offer Announcement
01:25
Design and implementation of an off-grid solar energy system for a hotel
03:25
Design and implementation of a solar energy system
07:11
Take advantage of vehicular traffic on highways
02:10
Professional Power and Paint Designs Announcement
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