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development of aircraft lavatory compartments with improved fire resistance characteristics. phase 4: sandwich panel decorative ink development
five chemically different resin systems with improved fire resistance properties were studied for a possible screenprinting ink application. fire resistance is hereby defined as the cured ink possessing improvements in flammability, smoke emission, and thermal stability. the developed ink is for application to polyvinyl fluoride film. onl..
health hazard evaluation report no. heta-81-289-971, anchor hocking corporation, chester, west virginia,
in april 1981, the national institute for occupational safety and health (niosh) received a request to evaluate adverse health effects reported by a worker during screen printing at anchor hocking corporation, chester, west virginia. at the time of the study, one worker printed dinnerware decoration decals on one semiautomated screen prin..
use of word processing in data development and review,
with the widespread availability of word processing within business, the government and the homes of many engineers, it has become increasingly apparent that this tool could be used effectively to reduce the high costs of contractual data preparation and review while simultaneously improving the quality of this data. this paper addresses ..
energy conservation for houses and its calculation methods
the concept of energy conservation of houses has been developed and began to be applied widely since the first oil crisis. now we can say definitely that insulating a house is the most effective way of saving energy, and the renewable energy sources are useful only when the demand for space heating and hot water is minimized by insulating..
health hazard evaluation report no. heta-82-330-1252, downing displays, inc., cincinnati, ohio, january 1983,
to evaluate worker exposure to two solvent-containing screen cleaners used in the silk screening process, and reported complaints of headaches and chest pain, on august 18-19, 1982, personal breathing-zone long- and short-term air samples were collected for the solvent constituents. the silk screener using the image remover was monitored ..
health hazard evaluation report no. heta 81-033-1208, placer county distributors, tahoe city, california,
in april and june 1981, personal time-weighted average (twa) air samples, area air samples, and detector tube samples were obtained to evaluate exposures to vinyl chloride, hydrogen chloride, formaldehyde, phthalates, benzene, hexane, styrene, lead, chromium (total), and other chemicals which may be generated where vinyl-type silk screene..
evaluation of a hydrophobic silica pigment used as a water-repellent finish. technical note
a 100 goosedown sample, treated with a hydrophobic silica pigment water-repellent finish was compared to an untreated 100 goosedown sample to determine the effect of the treatment on the amount of water absorbed by the down, and the properties of the down when wet the silica pigment markedly reduces the amount of water absorbed by the dow..
health hazard evaluation report heta 82-212-1553, screen printing shops, boston, massachusetts and denton, maryland areas,
environmental and breathing zone samples were analyzed for organic solvents at five small printing shops (sic-2751) in the boston, massachusetts and denton, maryland areas. the evaluation was requested by the union because of complaints of headache, nausea, dizziness, and other symptoms among silk screen printing workers nineteen exposed ..
make attractive visuals with silk screen
silk screening is a stencil process whereby ink or paint is applied through a stencil onto a surface to receive the print. you can use it on paper, cards, plastic, glass, or metal, and on curved surfaces as well as flat. the equipment you need consists of: a base to support the paper or cardboard to be printed; a silk-covered frame hinged..
visual aids. a guide for peace corps volunteers
contents: visual aids; what volunteers say; flash cards; pamphlets; posters; flannelgraph; school health education script; silk screen printing; showing moving pictures effectively; sources of posters, pamphlets, and other materials; visual aids in community development (india)