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In photolithography, several masks are used in turn, each one reproducing a layer of the completed design, and together known as a mask set. A curvilinear photomask has patterns with curves, which is a departure from conventional photomasks which only have patterns that are completely vertical or horizontal, known as manhattan geometry.
A sheet mask is a piece of paper, cellulose or fabric used to apply a facial mask. The first facial mask was invented in Ohio, United States , during the 19th century by Madame Rowley. It was called the "Toilet Mask" or the first "face glove", and was advertised as able to 'bleach, purify and preserve the complexion' of the skin.
The masks are worn throughout very long performances and are consequently very light. The nō mask is the supreme achievement of Japanese mask-making. Nō masks represent gods, men, women, madmen and devils, and each category has many sub-divisions. Kyōgen are short farces with their own masks, and accompany the tragic nō plays.
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A mask is a covering worn on the face, or an object depicting a face. The N95 and FFP2 are standards for respirators , which are masks designed to protect people against harmful airborne particles in industry and in medical settings, including against tuberculosis .
The order states that the heads of executive departments and agencies "shall immediately take action, as appropriate and consistent with applicable law, to require compliance with CDC guidelines with respect to wearing masks, maintaining physical distance, and other public health measures" by visitors and employees of federal land and properties, and commands the Secretary of Health and Human ...
Home Depot’s viral 12-foot skeleton lives up to the hype. Its oversized design makes for an eye-catching Halloween display, and once assembled, it’s surprisingly stable considering its size. Pros
"Masking" is the act of concealing one's true personality, as if behind a metaphorical, physical mask. In psychology and sociology, masking, also known as social camouflaging, is a defensive behavior in which an individual conceals their natural personality or behavior in response to social pressure, abuse, or harassment.