Contamination in new batches of plaster can result in the drying time of plaster being adversely affected as you will learn and this will cause chaos to applying the "Golden Formula" as used by most plasterers.
Plastering is largely a matter of confidence and you may prefer to start in a low-pressure environment first before hitting your own walls for the first time.
Solid Plastering is the application of wet finishes to internal walls, floors and ceilings. It also includes applying protective covering to external walls such as pebble dashing.
Skimming is the process by which a thin layer of plaster is applied to a wall or ceiling to provide a smooth surface.
Because of the skill required in plastering it is not often carried out by the standard home owner.
Cement based plaster however is primarily used for outdoors, with its general use being rendering. This type of plaster can also be used indoors for areas that are susceptible to damp and require a greater thickness of plaster to cover it.
Plastering requires very few tools and materials compared to other trades.
Plastering equipment will usually need replacing if plaster is not cleaned off with water before it dries and this can get expensive and is wasteful.
Drywall plastering is used to finish interior walls. But you have to be careful to choose the right type of plastering for the right location, as there are different types.
If you are a novice plasterer then you might prefer to start in a spare bedroom with an existing poor finish that can only be made better which will greatly reduce the stress on you. Remember, you can plaster skim the walls as many times as you like so you can always go over a not so perfect job later as you get better.