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Wood products treated with ACQ preservative were commercially produced in Canada for the first time in 2004. [ 4 ] [ 1 ] ACQ became a widely used wood preservative after concerns were raised about possible environmental contamination by chromium and arsenic from wood treated with chromated copper arsenate (CCA), through contact (especially in ...
Posts and poles can be treated directly on endangered areas, but should be treated at least 30 cm (0.98 ft) above the future ground level. The depth obtained during regular steeping periods varies from 5 to 10 mm (0.20 to 0.39 in) up to 30 mm (1.2 in) by sap pine.
Similar water-borne preservatives include alkaline copper quaternary (ACQ) compounds, copper azole (CuAz), ammoniacal copper zinc arsenate (ACZA), copper citrate, and copper HDO (CuHDO). [citation needed] Usually more expensive options, but safer, are pressure and heat treated lumber which contains no chemicals. Usually they lack the long-term ...
The Rock 'n Play was a baby sleeper produced by Fisher-Price. The product launched in 2009 and sold 4.7 million units before its initial recall in 2019. Approximately 100 infant deaths have been connected with use of the sleeper. [1] Several of the deaths were caused by infants rolling onto their stomachs and being suffocated by the sleeper's ...
Robert Bunning (13 December 1859 – 12 August 1936) was an English-born Western Australian businessman involved in the construction, timber, and sawmill industries. He co-founded with his younger brother Arthur (1863–1929) the company Bunning Bros, the predecessor to the modern-day retailer Bunnings.
Bunnings Cannington store, rebranded for promotion in February 2024. In early 2024, Bunnings temporarily rebranded one store in each Australian state and in New Zealand to "Hammerbarn", a fictional hardware shop in the animated television series Bluey. The series' creators were inspired by Bunnings when making the fictional shop. [38] [39] [40]
Acetylated wood is a type of modified wood that is produced through a chemical modification process and does not contain any toxic substances. [1] It produced from a chemical reaction (named as acetylation), involving acetic anhydride and a modification process to make wood highly resistant to biological attacks by fungi and wood-boring insects and durable to environmental conditions.
A railroad tie, crosstie (American English), railway tie (Canadian English) or railway sleeper (Australian and British English) is a rectangular support for the rails in railroad tracks. Generally laid perpendicular to the rails, ties transfer loads to the track ballast and subgrade , hold the rails upright and keep them spaced to the correct ...