[permalink] [id link]
Full-facepiece respirators are considered the best form of eye protection when respiratory protection is needed as well, but may be less effective against potential impact hazards to the eye.
from
Wikipedia
Some Related Sentences
respirators and are
Some gas masks are also respirators, though the word gas mask is often used to refer to military equipment ( e. g. Field Protective Mask ) ( The user of the gas mask is not protected from gas that the skin can absorb.
There are two main types of respirators.
Gas masks and particulate respirators are examples of this type of respirator.
In work environments, respirators are relied upon when adequate ventilation is not available or other engineering control systems are not feasible or inadequate.
Medical ventilators are sometimes coloquially called " respirators ," a term which stems from commonly used devices in the 1950's ( particularly the " Bird Respirator ").
However, in modern hospital and medical terminology, these machines are never referred to as respirators, and use of " respirator " in this context is now a deprecated anachronism which signals technical unfamiliarity.
They will trap some particles but are much less effective than respirators, which are designed for this purpose.
Oxygen sensors are used in oxygen analyzers which find a lot of use in medical applications such as anesthesia monitors, respirators and oxygen concentrators.
Half-face respirators can only be worn in environments where the contaminants are not toxic to the eyes or facial area.
Air-purifying respirators are used against particulates ( such as smoke or fumes ), gases, and vapors that are at atmospheric concentrations less than immediately dangerous to life and health.
Masks are available in a variety of forms, from simple cotton face masks to elaborate respirators with tanked air — the need for which is determined by the environment in which the worker is operating.
Prevention of metal fume fever in workers who are at potential risk ( such as welders ) involves avoidance of direct contact with potentially toxic fumes, improved engineering controls ( exhaust ventilation systems ), personal protective equipment ( respirators ), and education of workers regarding the features of the syndrome itself and proactive measures which can be taken to prevent its development.
respirators and protection
They also wear industrial respirators for protection from caustic vapors.
; Biological agents: through fully sealed systems — often at overpressure to prevent contamination even if the suit is damaged ( see Positive pressure personnel suit ) or using powered air purifying respirators with full hoods and protective suits to prevent exposure ( level c protection level )
This protection includes any of the various types of air-purifying respirators.
* Personal safety equipment such as boots, overalls, safety glasses, welding helmets, gloves, respirators and hearing protection.
respirators and when
Technological advances in such diverse areas as organ transplantation and end-of-life care, including the development of kidney dialysis and respirators, posed novel questions regarding when and how care might be withdrawn.
While the purpose of the Biggles stories was to entertain adolescent boys, in the First World War Biggles stories Johns paid attention to historical detail and helped recreate the primitive days of early air combat — when pilots often died in their first combat and before devices such as respirators and parachutes had become practical.
A dust collection system, coupled with the use of personal protective equipment such as respirators, is highly recommended when machining this wood.
Mechanical filter respirators retain particulate matter when contaminated air is passed through the filter material.
respirators and is
and the atmosphere is so befouled that no one dares walk in the open without respirators or soot plugs.
The National Personal Protective Technology Laboratory ( NPPTL ) of NIOSH is tasked towards actively conducting studies on respirators and providing recommendations.
The potential list of tools is very long and can include: waxing irons, scrapers, profiles / vises, brushes, files, screwdrivers, drills, thermometers, hot boxes, planers, clamps, rillers, special pads, cleaners and respirators.
This is the first recorded response and defense against chemical attacks using respirators.
Hopcalite is also used as the main filtration ingredient in the self rescue respirators issued to miners.
respirators and well
This interactive tool provides descriptions of different types of respirators and breathing apparatuses, as well as " do's and dont's " for each type.
The CDC summary page, N95 Factsheet, provides additional information on manufacturers ' products, as well as the importance of correct fitting of such masks ( respirators ).
respirators and may
Urban explorers may use dust masks and respirators to alleviate this danger.
respirators and be
NIOSH recommends as part of its carcinogen policy that the " most protective " respirators be worn for methyl bromide at any detectable concentration.
respirators and against
Treatment had involved the use of the few negative pressure respirators available, but these devices, while helpful, were limited and did not protect against aspiration of secretions.
Currently, ILC designs and produces respirators, masks, and suits used to protect against chemical, biological, radiological and nuclear ( CBRN ) threats.
respirators and .
3, 000 German nationals were employed at Hochwerk, all equipped with respirators and clothing constructed of a poly-layered rubber / cloth / rubber sandwich that was destroyed after the tenth wearing.
* Seven workers were hit in the face with a stream of tabun of such force that the liquid was forced behind their respirators.
Some explorers wear respirators to protect their airways and proper attire to protect their bodies.
Protective respirators and masks should have particle filters, particularly for aquatinting.
Hostages reported that some people in the audience fell asleep, and some of the gunmen put on respirators.
For example, in 1959, there were 1, 200 people using tank respirators in the United States, but by 2004 there were only 39.
* Filtered respirators.
are and considered
`` the matters to be considered are obviously of a grave character, and I therefore respectfully request that the hearing be postponed for two weeks in order that I might make adequate preparation ''.
After allowing for group exposures, it is apparent that other factors must be considered if we are to comprehend fanaticism.
Orange and lemon are considered important as are such pastels as blue and lilac.
Two cities to be considered, Providence and Cranston, are an enigma.
But there are other contentions which might be considered more difficult.
These strengths are considered adequate to meet the essential roles and missions of the reserves in support of our national security objectives.
These men are considered managers of engineers.
To some extent the system can be considered a Gemeinschaft in which `` social-role occupancies are determined by birth, by attributes such as sex or caste, which are biologically or socially immutable ''.
They are still considered to be for use in restricted waters, however, and targets must come within a few yards of them.
Such cases are not considered here.
The input light distributions considered are P-11 and P-20 phosphor emission and the so-called `` night light '' ( N.L. ) as given by H.W. Babcock and J. J. Johnson.
When the frequency response characteristics of practical components are considered, their effect on stability does not present the most serious limit on the system loop gain.
These are substantially the same factors considered by Non-Catholics in family planning.
What determines the morality, they state, is not the means used, but the motive In general, the means ( excluding abortion ) that prove most effective are considered the most ethical.
It seems to be indispensable to the national self-esteem that the Negro be considered either as a kind of ward ( in which case we are told how many Negroes, comparatively, bought Cadillacs last year and how few, comparatively, were lynched ), or as a victim ( in which case we are promised that he will never vote in our assemblies or go to school with our kids ).
It is simply that in Taoist tradition -- as in all good mysticisms -- books, words, or any other manifestations that belong to the normal state of consciousness are considered only the surface of experience.
about 30 per cent call themselves Christians in order to keep up appearances and be considered respectable, and only the last 10 per cent are genuine Christians and believers in democracy.
`` Of course ( George's letter continued ), there are practical problems to be considered.
E. B. Tylor ( 2 October 1832 – 2 January 1917 ) and James George Frazer ( 1 January 1854 – 7 May 1941 ) are generally considered the antecedents to modern social anthropology in Britain.
Phylogenetic analyses place these genera into the following groups ( not all of these are considered amoeboid ( or " amoebas ") by all sources ):
ASCII includes definitions for 128 characters: 33 are non-printing control characters ( many now obsolete ) that affect how text and space is processed and 95 printable characters, including the space ( which is considered an invisible graphic ).
All modern amphibians are included in the subclass Lissamphibia, superorder Salientia, which is usually considered a clade, a group of species that have evolved from a common ancestor.
0.456 seconds.