Agriculture encompasses crop and livestock production, aquaculture, and forestry fo a food and products. Agriculture was key factor in the rise of sedentary human civilization, whereby farming of domesticated species create surpluses that enabled people to live in the cities. farmers only began planting them around years ago. Sheep, goats, pigs, and cattle were domesticated around agriculture based on large agricultural output.
The major agricultural products can be broadly grouped into foods, fibers, fuels, and raw materials. Food classes include cereals, vegetables, and fungi. Global agricultural production amounts to approximately 11 billion tonnes of food, million of natural fibers and 4 billion of wood production before reaching the retail level.
Building framing is divided into two broad categories, heavy as frame construction if the vertical supports are few and heavy such as in timber framing, pole building framing, or steel framing or light frame construction if the supports are more numerous and smaller, such as balloon, framing and pre-built framing.