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Kuvandudza Kuchengeteka Kwepamba: Mabhenefiti eRF Yakabatana Smoke Detectors
Munyika yanhasi inomhanya-mhanya, kuona kuchengetedzwa nekuchengetedzwa kwedzimba dzedu kwakakosha zvikuru. Chimwe chinhu chakakosha chekuchengetedzwa kwemba ndechekutanga kuona moto, uye RF (redhiyo frequency) yakabatana yehutsi inoongorora inopa mhinduro yekucheka-kumucheto iyo inopa huwandu ...Verenga zvimwe -
Sei mukadzi wese achifanira kuva nearamu yega / yekuzvidzivirira?
Maaramu ega ega zvidiki, zvinotakurika zvinoburitsa ruzha kana zvaitwa, zvakagadzirirwa kukwezva kutarisa uye kudzivirira vangango kurwisa. Midziyo iyi yave kuwedzera mukurumbira pakati pevakadzi sechishandiso chiri nyore asi chinoshanda chekusimudzira kuchengetedzwa kwavo ...Verenga zvimwe -
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 -
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 -
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