Glossary R
Roofing mortar - A mortar round is a projectile which is fired with a very high trajectory and drops almost vertically onto its target before exploding.
A Roof construction manual refers to a written set of instructions, guide, or handbook for the fabrication, building , assembly or putting together the parts of the protective covering that covers or forms the top of a building.
Deutsch: Dachdeckerei / Español: Cubiertas / Português: Telhados / Français: Toiture / Italiano: Coperture /
Roofing refers to material used to construct a building component enclosing a building above, thus providing a weatherproof shelter.
Deutsch: Dachbauerarbeit / Español: Trabajo de construcción de techos / Português: Trabalho de construção de telhados / Français: Travaux de construction de toiture / Italiano: Lavori di costruzione del tetto /
Roof construction work refers to the labor exerted oneself by doing mental or physical work for a purpose of fabricating , building , assembling or putting together the parts of the protective covering that covers or forms the top of a building.
Russia is characterized as a reddish-brown calfskin impregnated with birch bark oil.