Forest products include wood, firewood and charcoal. Burning a wood briquette is far more efficient than burning firewood. The wood is excellent for firewood and charcoal. The forests were heavily exploited over the centuries for firewood and timber. They provide many desirable characteristics for use as ornament, timber, firewood and pulpwood. Wood heat continues to be used in areas where firewood is abundant. Chainsaws have largely replaced cordwood saws for firewood preparation today. The wood is used by local people for posts, firewood, and turnery. Inside, the barrels of gunpowder were discovered hidden under piles of firewood and coal. Manual labor included transporting goods such as branches for firewood. Virgin forests provided an ample supply of building material and firewood. Until the 1970s, the usoir was used to store farming tools, firewood, or manure. The lopped branches were used for fodder and firewood. Embers produced by the firewood are placed under the grill. Parisians suffered shortages of food, firewood, coal and medicine.