FORMULA
The conventional scientific designation for a material (e.g., the chemical formula for water is H2O; sulphuric acid is H2SO4; sulphur dioxide is SO2; etc.).
The conventional scientific designation for a material (e.g., the chemical formula for water is H2O; sulphuric acid is H2SO4; sulphur dioxide is SO2; etc.).
The part of a structure that transmits the load to the supporting earth:
A system of structural woodwork, providing rigidity, support and a surface on which to install interior or exterior finishing materials.
That moisture in structural wood that is absorbed by direct contact or from exposure to humidity within the air, as compared to _bound water,_ or saps contained within the wood_s cells. cp, _bound water_
To dry in a frozen state under vacuum for purposes of preservation: a means of drying wet books and documents.
Easily crumbled or pulverized. Friable materials are easily suspended in air currents and from there, they may enter the respiratory system of humans.
Any materials that contain greater than one percent asbestos, and which can be crumbled, pulverized or reduced to a powder by hand pressure. This also may include previously non-friable material that becomes broken or damaged by mechanical means.
FUNGI A class of organisms which live by decomposing and absorbing organic materials, often associated with chronically damp environments.
Biocides that are used to prevent, control, or kill fungi.
(fungistatic, fungitoxic) – A chemical that prevents or inhibits the growth of fungi but does not necessarily kill them or their spores.