To ready wood poles for treating, they must be seasoned or conditioned in a means that maintains toughness qualities. Poles may very well be air and kiln dried, just like what is done in drying lumber. Poles may be steamed or Boultonized in an extended pressurized cylinder, also called a retort.[19] Its popular use in several Roman constructions,
A serious component of concrete is cement, a fine powder applied largely to bind sand and coarser aggregates with each other in concrete. Despite the fact that many different cement sorts exist, the most common is "Portland cement", that's made by mixing clinker with smaller sized portions of other additives which include gypsum and floor limestone
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