Vietnam is bordered by China to the north, Laos to the northwest, Cambodia to the southwest, Thailand across the Gulf of Thailand to the southwest, and the Philippines, Malaysia and Indonesia across the South China Sea to the east and southeast.[d] Its capital city has been Hanoi since the reunification of North and South Vietnam in 1976, with Ho ...
Cement. 1  Cement is a binder. Similar to flour in a recipe, the purpose of cement is to hold the other materials together. 2  Concrete is a composite of aggregate (such as sand or gravel), cement, and water. Itâs like a cookie. 3  The basic composition of mortar might seem similar to concrete, but what really sets it apart is how it is used.
(At some point, this turns the mortar into concrete.) Here is a quote that I find on one site: Mortar is a cement/sand/water (and usually lime) mixture designed for laying up masonry units like cement block, stone or brick. Mortar is sticky so it adheres to the block, stone or brick.Concrete is designed to stand alone.. While I am sure I have not covered all of the factors here, this should give you an idea.oncrete, mortar and grouts are all mixtures of Portland cement, water, and aggregates (sand, and in the case of concrete: gravel.). Concrete is used for structural purposes, and it's primary role is to support a load.