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Historical development of personal alarms
Semudziyo wakakosha wekuchengetedza munhu, kugadzirwa kwemaaramu emunhu kwapfuura nematanho akati wandei, zvichiratidza kuenderera mberi kwekuvandudzwa kwekuziva kwenharaunda nezvekuchengetedzwa kwemunhu uye kuenderera mberi kwesainzi uye tekinoroji. Kwenguva yakareba mu ...Verenga zvimwe -
Ko musanganiswa kabhoni monoxide nezvinoona utsi zvakanaka here?
Carbon monoxide detectors uye chiutsi chinoona chimwe nechimwe chine basa rakakosha pakati pemidziyo inochengetedza kuchengetedzwa kwemba. Nekudaro, mumakore achangopfuura, ma detectors avo akasanganiswa akaonekwa zvishoma nezvishoma pamusika, uye neawo maviri ekudzivirira mabasa, ari kuita chakanakira cho ...Verenga zvimwe -
Pane nzira yekutevera makiyi emota here?
Zvinoenderana neakakodzera musika masangano ekutsvagisa anofanotaura kuti pasi pemamiriro azvino ekuenderera mberi kwekukwira kwevaridzi vemotokari uye kuwedzera kwevanhu kudiwa kwekutonga kuri nyore kwezvinhu, kana zvichienderana nekuvandudzwa kwetekinoroji uye cognition yemusika ...Verenga zvimwe -
MaSmart Water Detector Anoshanda Sei Kuchengetedzeka Kwepamba?
Mudziyo wekuona kubuda kwemvura unobatsira kubata mvura inobuda zvishoma isati yava matambudziko akanyanya. Inogona kuiswa mukicheni, imba yekugezera, indoor private swimming madziva. Chinangwa chikuru ndechekudzivirira kubuda kwemvura munzvimbo idzi kubva mukukuvadza ku ...Verenga zvimwe -
Ndeipi nguva yehupenyu hwehutsi hwehutsi?
Hupenyu hwesevhisi hwehutsi hwehutsi hunosiyana zvishoma zvichienderana nemuenzaniso uye mhando. Kazhinji kutaura, hupenyu hwebasa hwehutsi hwehutsi ndeye 5-10 makore. Panguva yekushandiswa, kugadzirisa nguva dzose uye kuongororwa kunodiwa. Iyo chaiyo mirau ndeiyi inotevera: 1. utsi detector ala...Verenga zvimwe -
Ndeupi musiyano uripo pakati peionization uye photoelectric utsi maalarm?
Maererano neNational Fire Protection Association, kune moto unopfuura 354,000 wekugara gore rega rega, uchiuraya avhareji yevanhu vangangosvika zviuru zviviri nemazana matanhatu uye kukuvadza vanhu vanopfuura zviuru gumi nerimwe. Rufu rwakawanda runokonzerwa nemoto runoitika usiku kana vanhu vakarara. Chinhu chakakosha ...Verenga zvimwe