my guess is: straw, clay, dirt, very fine sand, and gravel
Gravel is added with mortar to make concrete.Another answer:Cement is mixed with just water and perhaps some fine sand to make mortar. Gravel or rocks, strengthening agents in load bearing concrete, can interfere with mortar in that mortar needs to work something like an adhesive.
to make mortar
Here are some sentences.The mortar exploded and destroyed the enemy building.The brick mason smoothed the mortar between the bricks.
With mortar and brick
to make it weaker
I built a brick and mortar business from the ground-up. I used a pestle and mortar to crush herbs and make a special elixir. I used my mortar to blow up my enemies.
The best type of mortar to use for laying bricks is typically Type N mortar, which is a medium-strength mortar that provides a good balance of strength and workability for bricklaying projects.
Limestone is the primary mineral used to make cement and mortar. It is primarily composed of calcium carbonate, which when heated in a kiln produces lime (calcium oxide) that is a key ingredient in cement and mortar production.
you get the mortar and fix the bridge
Probably a good idea - the lime mortar will allow the bricks/stones to move as the area expands with heat.
You use pestle and mortar on your item.
To fix cracks in brick mortar, you can start by removing the loose or damaged mortar using a chisel and brush. Then, mix new mortar according to the manufacturer's instructions and apply it to the cracks using a trowel. Make sure to press the new mortar firmly into the cracks and smooth it out. Allow the mortar to dry completely before sealing or painting it, if desired.