To prepare for the job, you will need to carefully measure the gap between the walls, make calculations and draw on paper a drawing - a model of the future shelf.
Ukuze balungiselele umsebenzi uzodinga ukukala ngokucophelela isikhala phakathi kwezindonga, ukwenza iimbalo zibe futhi wenze iphepha umdwebo - kukhombisa eshalofini esizayo.