How to use a Vibrator While pouring Concrete in a Building

Necessity of Vibrator is to A concrete vibrator is basically just what it sounds like - a mechanical device for creating vibration in "wet" concrete. ... The vibrations cause the mixture to liquefy, reducing the internal friction of the mix components of cement, aggregate, and water
Immersion or needle vibrator
Extended or shutter vibrator
Surface Vibrator
Vibrating table

[Gary-pogi]

The only tool that is never used properly on youtube.

[Assertiveman]

I remember I had to vibrate concrete for 15 hours one day continuous pour

[thaslimmohamed]

No cover box 😅😂😂 no use vibration 😅😅😅😅😅😅😂😂😂😂😂😂