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Flame spread, or surface burning characteristics rating, [1] is a ranking derived by laboratory standard test methodology of a material's propensity to burn rapidly and spread flames. There are several standardized methods of determining flame spread,
Control includes denial of oxygen, addition of extinguishing agents, and removing heat sources. In case of chimney fire, the local fire department should be called immediately: there is a risk of the chimney failing, and/or overheating adjoining structures, which could cause the fire to spread to other parts of the building.
The burning of a solid material may appear to lose weight if the mass of combustion gases (such as carbon dioxide and water vapor) are not taken into account. The original mass of flammable material and the mass of the oxygen consumed (typically from the surrounding air) equals the mass of the flame products (ash, water, carbon dioxide, and ...
Chimney sweeps' cancer, also called soot wart or scrotal cancer, is a squamous cell carcinoma of the scrotum. It has the distinction of being the first reported form of occupational cancer, and was initially identified by Percivall Pott in 1775. [1] It was initially noticed as being prevalent amongst chimney sweeps.
Cancer Research UK estimates there were nearly 160 cancer cases attributed to smoking diagnosed in the UK every day in 2023. ... Smoking could cause almost 300,000 cancer cases in the UK over the ...
The oncologist, per the Stanford Medicine blog Scope, was diagnosed with non-small cell cancer — also known as never-smoker lung cancer — in early May, around a month before his 50th birthday.
Individuals at risk such as infants, children and nonsmoking adults may suffer tobacco-related health problems when they inhale, ingest or touch substances containing third-hand smoke. Third-hand smoke is a relatively new concept, and researchers are still studying its possible dangers.
Long-term exposure to high levels of benzene in the air can cause leukemia. Air pollution, including indoor air pollution , is linked with a higher risk of early death, cancer and neurological ...