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david lloyd : nid yw awyru yn cael gwared â charsinogenau
david lloyd : ventilation does not clear carcinogens

fel y clywsom yn y pwyllgor , nid yw codau gwirfoddol na systemau awyru yn gweithio
voluntary codes and ventilation , as we have heard in committee , do not work

bu cryn drafodaeth ynghylch system awyru , ac unwaith eto mae llawer o aelodau wedi crybwyll hyn
there has been a great deal of discussion on ventilation , and again a number of members have mentioned this

mae ffatri gorseinon , a agorodd yn 1992 , yn gweithgynhyrchu gwresogyddion ac unedau awyru ar gyfer ceir
the gorseinon plant , which opened in 1992 , manufactures heaters and air conditioning units for passenger cars

nid yw awyru yn dileu'r risg o gwbl , ac nid yw'n ateb i ysmygu goddefol
ventilation does not cancel out the risk at all , and is not an answer to passive smoking

amcangyfrifir y bydd y costau gwresogi ac awyru rhwng 30 a 50 y cant o'r rhai a geir mewn adeiladau mwy confensiynol
heating and ventilation costs are estimated to be between 30 and 50 per cent of those of more conventional buildings

derbyniwyd erbyn hyn , fe gredaf , fod system awyru yn aneffeithiol , a mynegodd dai lloyd y pwynt hwnnw'n dda
i think that it has been accepted that ventilation is ineffective , and dai lloyd made that point well

byddai gwahardd yr ysmygwr rhag bod unrhyw le yn agos at y bar yn ymdrin hefyd , i ryw raddau , â phroblem cyflogeion , fel y byddai system awyru
banning the smoker from being anywhere near the bar would also address , to some degree , the problem of employees , as would ventilation

canolbwyntiodd prif feysydd ein gwaith ar ba un a oes tystiolaeth i brofi bod mwg tybaco amgylcheddol yn niweidiol i iechyd , effeithiolrwydd systemau awyru ac echdynnu a sut y byddai unrhyw waharddiad yn effeithio ar yr economi
the main areas of our work focused on whether there is evidence to prove that environmental tobacco smoke is damaging to health , the effectiveness of ventilation and extraction , and on how any ban would impact on the economy

archwiliwyd pa un a fyddai system awyru yn ddigon i gael gwared ar yr elfennau a all niweidio person nad yw'n ysmygu , er enghraifft , mewn tafarnau a chlybiau
we did examine whether ventilation equipment would be sufficient to remove the elements that can damage a non-smoker in , for example , pubs and clubs

ar ôl dod i'r casgliad bod tystiolaeth rymus o niwed i iechyd , bu inni ystyried pa un a allai systemau echdynnu ac awyru ddiddymu'r risg mewn mannau amgaeedig
having concluded that there is powerful evidence of damage to health , we considered whether extraction and ventilation could eliminate the risk in enclosed places

collir tua 40 y cant o wres drwy waliau sydd heb eu hinsiwleiddio , collir 20 y cant drwy awyru , a chollir 20 y cant ar ben hynny drwy ffenestri sydd wedi'u hinsiwleiddio'n wael
some 40 per cent of heat is lost through uninsulated walls , 20 per cent is lost through ventilation , and a further 20 per cent is lost through poorly insulated windows

erys y risg ar ôl awyru , oherwydd mae'r mân ronynnau sy'n achosi canser yn aros , ac yn treiddio i'n hysgyfaint oherwydd eu maint eithriadol o fach
the risk remains after ventilation , because the minute cancer-causing particles remain , and those get right down into our lungs because of their extremely small size

barn cymdeithas meddygol prydain , a rennir gan gyrff iechyd cyhoeddus eraill , yw nad yw systemau awyru yn cael gwared â'r mân sylwedd gronynnol sy'n treiddio i'r ysgyfaint a'r thoracs
the british medical association's view , which is shared by other public health bodies , is that ventilation does not remove the fine particulate matter that penetrates the lungs and thorax