Sentence:  It is quicker and easier to use a ladder as a means of access, but it is not always the safest. Jobs, such as painting, gutter repair, demolition work or window replacement, are often easier done using a <WSD>scaffold</WSD>. If the work can be completed comfortably using ladders, a <WSD>scaffold</WSD> need not be considered. <WSD>Scaffolds</WSD> must be capable of supporting building workers, equipment, materials, tools and any accumulated waste. 
Meaning of the word marked with <WSD> tags:  A structure made of scaffolding for workers to stand on while working on a building.