Some modern masks have a see-through visor in the front of the mask.

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.

Some services go so far as to mask the sender's source IP address ( Gmail being a common choice ), making the scammer more difficult to trace to country of origin.

Some disposable diapers include fragrances, lotions or essential oils in order to help mask the scent of a soiled diaper or to protect the skin.

The mask was dropped after the release of Some Kind of Heroin.

Having stated in an interview that the mask has been shelved " for better or worse ", as part of the significance of Some Kind of Heroin.

Some fields encourage players to aim away from opponents ' heads during play if possible ; splatter from mask hits can penetrate ventilation holes in the goggles and cause eye irritation, close-range hits to the mask can cause improperly maintained lenses to fail, and hits to unprotected areas of the face, head and neck are especially painful and can cause more serious injury.

Some prefer to use a full face diving mask to essentially eliminate any contact with the cold water.

Some frogmen use an ordinary diving mask ; some use a fullface mask, which is less easily lost underwater.

Some frogmen use a mouthpiece and noseclip or a mouth-and-nose ( orinasal ) breathing mask instead of a diving mask with eye windows, and special contact lenses to correct the vision refraction error caused by the eyeballs being directly submerged.

Some large format cameras have rotating or sliding reduction backs, which mask off part of the film sheet, allowing several smaller photos to be placed on a single sheet of film.

Some people may find wearing a CPAP mask uncomfortable or constricting: eyeglass wearers and bearded men may prefer the nasal-pillow type of mask.

Some British Army and Russian gas masks are designed so that when the wearer breathes in, the inflow of air blows over the inside of the mask window and tends to evaporate any mist deposit on it.

Some emoji are very specific to Japanese culture, such as a bowing ( apologizing ) businessman, a face wearing a face mask or a group of emoji representing popular foods: ramen noodles, dango, onigiri, Japanese curry, sushi.

Some Major League catchers also continue to use the no-flap helmet, wearing it backwards along with their mask.

Some have speculated that the affair was simply a mask for a looming divorce of the royal couple.

Some integrated circuits contain only mask ROM.

Some microcontrollers have mask ROM to store the bootloader or all of their firmware.

Some regions celebrate mask carnivals, while others have no official customs, yet all of them are related to a mixture of Amerindian and Catholic beliefs.

Some wiki engines, including TWiki and Foswiki, use RCS for storing page revisions.

Some trackwork revisions are planned at Kidderminster to improve ingress of future incoming excursions.

Some of these were unauthorized reprints of Noah Webster's work ; some were revisions of his work.

Some editions from 1576 onwards included Laurence Tomson's revisions of the New Testament.

** Some, including the leadership of the Society of St Pius X, hold that it is in principle valid as a sacramental rite but maintain that the revisions in the liturgy are displeasing to God, and that it is often celebrated improperly to the extent of being sacramentally invalid.

Some of these " collaborations " are in fact more complex: revisions by Massinger of older plays by Fletcher and others, etc.

Some minor changes and revisions marked the 1984 Grand Prix, including a new octangular Pontiac hood ornament, gauges with orange needles and red markings ( previous 1978 – 1983 Grand Prix gauges had white needles ), a T-shaped console shifter, an updated bucket seat design, as well as a woodgrain plate above the glove box ( previous 1978 – 1983 Grand Prixs used a black plate ).

After the first Chinese edition, two major revisions have been issued ; Some were translated into other languages, while others made into guidebooks in Hangul.

Some limited 2-track audio recording was added to later revisions of the Triton Studio, while the Triton Extreme added in-track sampling support, which allows stereo samples to be recorded in context with a MIDI sequence and automatic triggering of the samples at their proper locations in the sequence during playback.

Some colors of the war plans changed over time with new revisions which can result in confusion.

Some revisions and improvements were made ; endpaper keys show which parts of the world are covered by which plates ; an international glossary gives the English equivalents of common name-words.

Some of the last revisions were very obvious improvements to the list, long overdue, and most hillwalkers have seemed to be happy with the list.

Some of the company's better-known works include Infernal Galop, Deadly Serious, Spitfire, Town and Country and its revisions of classical ballets such as The Nutcracker, Swan Lake and Cinderella.

Some of these revisions were included with the Atari Flashback 2 +, released in 2010 ( see below ).

Some of the sinusoids contained large numbers of nucleated red cells, and cells of the granulocytic series were found in small numbers.

Some liver cord cells contained vacuolated cytoplasm, while others had small amounts of brown hemosiderin pigment.

Some folk etymologies argue that the original forms of these symbols indicated their value through the number of angles they contained, however there is no proof of any such origin.

Some of the epistemic basis for Steiner's later anthroposophical work is contained in the seminal work, Philosophy of Freedom.

Some have also contained claw marks, making it likely that a portion came from known animals such as bears, which have five toes and claws.

Some regional versions contained more nefarious creatures.

Public discourse ranged in tone from organized arguments by tobacconist and medical practitioner John Williams, who posited that " several arguments proving that inoculating the smallpox is not contained in the law of Physick, either natural or divine, and therefore unlawful ," to more slanderous attacks, such as those put forth in a pamphlet by Dr. William Douglass of Boston entitled The Abuses and Scandals of Some Late Pamphlets in Favour of Inoculation of the Small Pox ( 1721 ), on the qualifications of inoculation's proponents.

Some e-mail viruses written after the Good Times scare contained text announcing that " This virus is called ' Good Times ,'" presumably hoping to gain kudos amongst other virus writers by appearing to have created a worldwide scare.

Some introns are known to enhance the expression of the gene that they are contained in by a process known as intron-mediated enhancement ( IME ).

Some of the elements contained in untranslated regions form a characteristic secondary structure when transcribed into RNA.

Some evidence suggests that Earth's original atmosphere might have contained fewer of the reducing molecules than was thought at the time of the Miller – Urey experiment.

Some Neoplatonists, such as the pagan philosopher Plotinus and the philosopher Augustine, imply ( anticipating conceptualism ) that universals are contained within the mind of God.

Some versions contained an extra disc / cassette composed entirely of remixes of " Blue Monday ".

Some examples: the United Nations Framework Convention on Climate Change ( UNFCCC ) established a framework for the development of binding greenhouse gas emission limits, while the Kyoto Protocol contained the specific provisions and regulations later agreed upon.

Some people believe that although Torricelli's experiment was crucial, it was Blaise Pascal's experiments that proved the top space really contained vacuum.

Some convoys contained several hundred merchant ships.

Some of his best and least-known work is contained in Cabbages and Kings, a series of stories each of which explores some individual aspect of life in a paralytically sleepy Central American town, while advancing some aspect of the larger plot and relating back one to another.

Some argued that Fortuynism was not just one ideology, but contained liberalism, populism and nationalism.

Some ballet historians also use the word libretto to refer to the 15 – 40 page books which were on sale to 19th century ballet audiences in Paris and contained a very detailed description of the ballet's story, scene by scene.

Some argued that Fortuynism was not just one ideology, but contained liberalism, populism and nationalism.

Some were goaded by Chinese nationalism, while others contained nascent Taiwanese self-determination.

Some videos contained footage of the pair doing target practice in nearby foothills, as well as shots of the areas of the high school they planned to attack.

Some machines even contained carousels and other mechanisms for playing multiple records.

Some chemicals in the soil contained sulfur and chlorine that were like those remaining after the evaporation of sea water.