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PFA, meaning Please Find Attached / Attachment. Used in corporate emails to indicate that a document or set of documents is attached for the reference. PNFO, meaning Probably Not For the Office. Used in corporate emails to indicate that the content may be sexually explicit or profane, helping the recipient to avoid potentially objectionable ...
An example is the interior of a storage tank, occasionally entered by maintenance workers but not intended for human occupancy. Hazards in a confined space often include harmful dust or gases , asphyxiation , submersion in liquids or free-flowing granular solids (for example, grain bins ), electrocution , or entrapment .
The word 'paludarium' comes from the Latin word 'palus' meaning marsh or swamp and '-arium' which refers to an enclosed container. Paludaria can range in size from small, easily displayed boxes to biospheres large enough to contain entire trees. A prominent example of a very large paludarium is the tropical rainforest exhibit at the Montreal ...
In a closed ecological system, any waste products produced by one species must be used by at least one other species. If the purpose is to maintain a life form, such as a mouse or a human , waste products such as carbon dioxide , feces and urine must eventually be converted into oxygen , food , and water .
An enclave is a part of the territory of a state that is enclosed within the territory of another state. To distinguish the parts of a state entirely enclosed in a single other state, they are called true enclaves. [5]: 10 A true enclave cannot be reached without passing through the territory of a single other state that surrounds it.
However, there were other motives too, one example being that the value of the land enclosed would be substantially increased. [8] There were social consequences to the policy, with many protests at the removal of rights from the common people. Enclosure riots are seen by historians as 'the pre-eminent form' of social protest from the 1530s to ...
Miniature dioramas are typically much smaller, and use scale models and landscaping to create historical or fictional scenes. Such a scale model-based diorama is used, for example, in Chicago's Museum of Science and Industry to display railroading. This diorama employs a common model railroading scale of 1:87 . Hobbyist dioramas often use ...
Storey refers to the number of open or closed stacked counters, especially in the context of the letters a and g and their typographic variants.. The lowercase 'g' has two typographic variants: the single-storey form (with a hook tail) has one closed counter and one open counter (and hence one aperture); the double-storey form (with a loop tail) has two closed counters.