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A firestop or fire-stopping is a form of passive fire protection that is used to seal around openings and between joints in a fire-resistance-rated wall or floor assembly. Firestops are designed to maintain the fire-resistance rating of a wall or floor assembly intended to impede the spread of fire and smoke. [1]
Use of incense was abandoned in the Church of England by the turn of the 19th century [12] and was later thought to be illegal. [13] [14] Today, the use of incense in an Anglican church is a fairly reliable guide to churchmanship, that is, how 'high' (more Catholic in liturgical style) or how 'low' (more Reformed) the individual church is. [15]
A jockey pump, also known as a pressure-maintenance pump, is a small pump connected to a fire suppression system near the fire pump and is intended to maintain pressure in a fire protection piping system. These pumps recover pressures lost from gradual, slow pressure declines in a system due to temperature changes, trapped air escapement, or ...
Roman candle firework by Great Grizzly. A Roman candle is a traditional type of firework that ejects one or more stars or exploding shells. Roman candles come in a variety of sizes, from 6 mm (0.24 in) diameter for consumers, up to 8 cm (3.1 in) diameter in professional fireworks displays.
Incense burner (kōro) with peonies, Hirado ware, circa 1800 from Edo. According to legend, agarwood (aloeswood) first came to Japan when a log of incense wood drifted ashore on Awaji island in the third year of Empress Suiko's reign (595 CE). People who found the incense wood noticed that the wood smelled pleasant when they put it near a fire.
A penetration, in firestopping, is an opening, such as one created by the use of a cast-in-place sleeve, in a wall or floor assembly required to have a fire-resistance rating, for the purpose of accommodating the passage of a mechanical, electrical, or structural penetrant. [1] The penetration may or may not contain a firestop system.
On the fire side, the plastic bag burns off exposing the intumescent to the fire, which releases the water in the form of vapour or steam. The steam rises and hits the plastic bag interior on the unexposed side, where it condenses back to water, and runs back down to cool the installation below.
It is variously described as the transparent parts separated or extracted from the myrrh resin, the myrrh that exudes spontaneously from the tree, or the product of myrrh heated over fire. The ancient Greek botanist Theophrastus described the manufacturing of stacte: "From the myrrh, when it is bruised flows an oil; it is in fact called "stacte ...