Rock Valve repair instructions 

Thank you friends. It is very helpful to me. I am working in schwing stetter India. This video very helpful to understand what I am doing at plant. Once again thank you.

very helpful video,,,,,,,thanks

very nice learning vedio.thanks for sharing!

Vuen video mi estimado saludos cordiales desde Morelia mich México 🌚👍🌑🇲🇽🇲🇽

Thanks

I am rana Muhammad ashfaq my work is hadrolic macenic concaret pump

good

Same video

اي باكو العلم منه ههههههه

My name is hammah issah and I am a concrete pump operator please

Hii

Nice