Solid wood is wood cut straight from a tree trunk and sawn into beams, planks or battens. The sawn wood is a single piece of wood and is dried after sawing.

A compactor (for example a tamper or a vibrating plate) is used to compact ground by removing air or water that is trapped in it. This prevents settlement of the ground later on. The ground becomes stronger and more stable.

VOB is the abbreviation for “Verdingungsordnung für Bauleistungen” (contracting regulations for building services). These inlude regulations for invoicing building services. The VOB is the basis for building work commissioned by the German state.