Mini Concrete Mixing Machine Report Post Violent or repulsive content Harassment or bullying Spam or misleading Infringes my rights Captions issue Violent or repulsive content Hateful or abusive content Others 2021, Feb, 20 Justlearning Edit Team - Justlearning Edit Team Science Innovations and Ideas 1 1 0 404 Hello world Concrete mixture machine for mountainous regions. Watch the video to know about a machine that can be used to create concrete without using electric power.