The key to keeping the mortar fluid and 'pumpable' lies in using the correct type and quantity of plasticisers. These along with other secret ingredients are what differentiates the really good gun injection mortars, such as Easipoint, from plain old sand and cement, and make the whole concept workable.
A boy gives his friend a holla on the phone. The definition of holla, or hollo, is a slang term meaning holler, which is a shout or call. An example of holla is giving someone a call on the phone; give them a holla. holla. holla.
Cholla is a term applied to various shrubby cacti with segmented branches. The jumping cholla, Opuntia fulgida, is a very spiny cactus, usually a shrub, but sometimes more like a tree, with a number of irregular, jointed branches bearing sharp-barbed spines that are painful and difficult to remove.