The City Guilds has an entire training centre called Able Skills, where plastering is the main subject taught. There is a course to suit each person's needs, whether you are a beginner or coming in to learn some advanced technology of plastering.
Plastering cannot be improvised. You should not try and improve or simplify the processes of plastering demonstrated in your plastering course (at least until you are a true master of the trade).
There are some common problems linked with drywall plastering and these are blisters on the plastering, and the tape also tends to fall off at places.
As with most building trades, do it yourself plastering requires a great deal of experience.
Plastering is both a skilled craft and an art.
The old fashioned plaster on wood needs three coats of plaster and it may not be within the skill of many people to do it, and needs professionals most of the time to do even the repair work.
If the job is done by a Plastering Contractor from a well-known company, there are more guarantees for the job done, but you end up paying more for the company's services.
Plaster moldings are often used for plastering jobs, but the fit should be right and it is better if it is done by professionals.
Plastering is application of various wet materials over surfaces interior walls, floors and ceilings as well as external walls and other surfaces in the building industry.
If cleanliness is next to Godliness then plastering is the holy trade! Ask any plasterer and you will be told the same thing, keep your equipment very clean and most importantly clean as you go.