How to mix concrete?

To mix concrete, you will need the following materials: cement, aggregate (such as sand or gravel), water, and any additional ingredients (such as pigments or fibers) that you may want to add for specific properties.

1. Start by measuring out the appropriate amounts of cement, aggregate, and water. A general rule of thumb is to use 1 part cement, 2 parts aggregate, and 3 parts water.
   
2. Mix the dry ingredients (cement and aggregate) together in a large mixing container.
   
3. Slowly add water to the dry mixture while stirring. Continue mixing until the concrete reaches a uniform consistency.
   
4. Once the concrete is mixed, it should be used as soon as possible. If you need to store it, cover it with a damp cloth to prevent it from drying out.
   
5. When ready to use, the concrete should be poured or placed in the desired location and smoothed out with a trowel or screed.
   
6. Allow the concrete to cure (dry) for at least 24 hours before applying any weight or stress to it.
   

It's important to note that the mix proportion can vary depending on the intended use and local building codes. Always refer to the instructions on the cement bag or consult a professional if you are unsure.