Deutsch: Eiche / Español: Quercus / Português: Carvalho / Français: Chéne / Italiano: Quercus
An oak is a tree or shrub in the genus Quercus, having approximately 600 extant species. The common name "Oak" may also appear in the names of species in related genera, notably Lithocarpus.

Deutsch: Oxide / Español: Óxido / Português: Óxido / Français: Oxyde / Italiano: Ossido
An oxide is a chemical compound that contains at least one oxygen atom and one other element in its chemical formula. Metal oxides typically contain an anion of oxygen in the oxidation state of 2.

Deutsch: Erz / Español: Mena / Português: Minêrio / Français: Minerai
An ore is a type of rock that contains minerals with important elements including metals. The ores are extracted through mining; these are then refined to extract the valuable element(s).

Deutsch: Organisation / Español: Organización / Português: Organização / Français: Organisation / Italiano: Organizzazione
An organization (or organisation) is a social entity that has a collective goal and is linked to an external environment. The word is derived from the Greek word organon, itself derived from the better-known word ergon which means organ a compartment for a particular task.

Deutsch: Öle / Español: Aceite / Português: Óleo / Français: Huile

An oil is any neutral, nonpolar chemical substance, that is a viscous liquid at ambient temperatures, and is immiscible with water but soluble in alcohols or ethers. Oils have a high carbon and hydrogen content and are usually flammable and slippery. Oils may be animal, vegetable, or petrochemical in origin, and may be volatile or non-volatile.

In the industrial and manufacturing context, an operation is a specific process or activity that is carried out as part of the production of a product or service. Operations may involve a variety of tasks and activities, such as assembling components, machining parts, testing products, packaging items, and so on.

Oilseed Farming (except Soybean) is an industry comprises establishments primarily engaged in growing fibrous oilseed producing plants and/or producing oilseed seeds, such as sunflower, safflower, flax, rape, canola, and sesame.

Other Grain Farming - this industry comprises establishments primarily engaged in (1) growing grain(s) and/or producing grain seeds (except wheat, corn, and rice) or (2) growing a combination of grain(s) and oilseed(s) with no one grain (or family of grains) or oilseed (or family of oilseeds) accounting for one-half of the establishment's agriculture production (value of crops for market).