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Note that a tree and wellhead are separate pieces of equipment not to be mistaken as the same piece. The Christmas tree is installed on top of the wellhead. A wellhead is used without a Christmas tree during drilling operations, and also for riser tie-back situations that later would have a tree installed at riser top.
Alternative sign. Division 2.1 Non-flammable non-toxic gases – Gases which: are asphyxiant – gases which dilute or replace the oxygen normally in the atmosphere; or; are oxidizing – gases which may, generally by providing oxygen, cause or contribute to the combustion of other material more than air does; or; do not come under the other ...
A TikTok video displayed an intriguing Christmas tree trick to make it cat-safe for their adorable feline Moose. This drew the attention of many people on social media. In the caption of the video ...
The sign is commonly referred to as a radioactivity warning sign, but it is actually a warning sign of ionizing radiation. Ionizing radiation is a much broader category than radioactivity alone, as many non-radioactive sources also emit potentially dangerous levels of ionizing radiation.
But still, picking the right photo, color correcting, picking a design, writing out a genuine, thoughtful message or Christmas wish, and addressing all of these envelopes can all take a lot of ...
Feather Christmas trees were first created in Germany in the 1880s [1] [2] or 1890s [3] and are regarded as one of the first types of artificial Christmas trees. [2] [4] These first artificial trees were, in part, a response to growing environmental concerns in the late 19th century concerning deforestation associated with the harvest of Christmas trees in Germany. [2]
Students in Altadena, California, are also processing the loss. "My mom told me before we had that play date that it burned down, like my classroom and everything in it," Lucy Van Voorhis, a ...
In 2008, the tree utilised low-wattage halogen bulbs which used 3.5 kW of power. [5] At the base of the tree stands a plaque, bearing the words: This tree is given by the city of Oslo as a token of Norwegian gratitude to the people of London for their assistance during the years 1940-45. A tree has been given annually since 1947.