Isicishamlilo sokuqala sagunyazwa ngusokhemisi u-Ambrose Godfrey ngo-1723. Kusukela lapho, izinhlobo eziningi zezicishamlilo ziye zasungulwa, zashintshwa futhi zathuthukiswa.

Kodwa into eyodwa ihlala ifana kungakhathaliseki ukuthi inkathi - izakhi ezine kufanele zibe khona ku-aumlilo ukuba khona.Lezi zakhi zihlanganisa umoya-mpilo, ukushisa, uphethiloli kanye nokusabela kwamakhemikhali.Uma ususa i-elementi eyodwa kwezine ku- “unxantathu womlilo,” umlilo ungabe usucishwa.

Nokho, ukuze ucime ngempumelelo umlilo, kufanele usebenzise i-isicisha-mlilo esilungile.

Ukuze ucime ngempumelelo umlilo, kufanele usebenzise isicisha-mlilo esifanele.(Isithombe/Greg Fries)

IZIHLOKO EZIHLOBANE

Kungani imishini yokucima umlilo, ama-ambulensi adinga izicisha-mlilo eziphathwayo

Izifundo zokusebenzisa isicishamlilo

Uzithenga kanjani izicishamlilo

Izinhlobo ezivame kakhulu zezicishamlilo ezisetshenziswa ezinhlotsheni ezahlukene zezibaseli zomlilo yilezi:

  1. Isicishamlilo samanzi:Izicishamlilo zamanzi zicisha imililo ngokususa isici sokushisa sikanxantathu womlilo.Asetshenziselwa imililo yekilasi A kuphela.
  2. Isicishamlilo esinamakhemikhali omile:Izicisha-mlilo zamakhemikhali omile zicisha umlilo ngokuphazamisa ukusebenza kwamakhemikhali kanxantathu womlilo.Asebenza kakhulu emlilweni we-Class A, B no-C.
  3. Isicishamlilo se-CO2:Izicisha-mlilo ze-carbon dioxide zisusa ingxenye yomoya-mpilo kanxantathu womlilo.Baphinde basuse ukushisa ngokukhishwa okubandayo.Angasetshenziswa emililo yekilasi B no-C.

Futhi ngenxa yokuthi yonke imililo ibaswa ngendlela ehlukile, kunezinhlobonhlobo zezicishamlilo ezisekelwe ohlotsheni lomlilo.Ezinye izicisha-mlilo zingasetshenziswa ezigabeni ezingaphezu kwesisodwa zomlilo, kuyilapho ezinye zixwayisa ngokusetshenziswa kwezicisha-mlilo zezigaba ezithile.

Nakhu ukuhlukaniswa kwezicishamlilo ezihlukaniswa ngohlobo:

Izicisha-mlilo ezihlukaniswa ngohlobo: Izicishamlilo zisetshenziselwa ini:
Class A isicishamlilo Lezi zicishamlilo zisetshenziselwa imililo ehlanganisa izinto ezivuthayo ezivamile, njengezinkuni, iphepha, indwangu, udoti namapulasitiki.
Isicishamlilo se-Class B Lezi zicishamlilo zisetshenziselwa imililo ehlanganisa uketshezi oluvuthayo, njengamafutha, uphethiloli namafutha.
Isicishamlilo se-Class C Lezi zicishamlilo zisetshenziselwa imililo ehlanganisa izinto zikagesi, njengezinjini, ama-transformer kanye nezinto zikagesi.
Isicishamlilo se-Class D Lezi zicishamlilo zisetshenziselwa imililo ehlanganisa izinsimbi ezivuthayo, njenge-potassium, i-sodium, i-aluminium ne-magnesium.
Isicishamlilo se-Class K Lezi zicishamlilo zisetshenziselwa imililo ehlanganisa amafutha okupheka namafutha okugcoba, njengamafutha ezilwane nemifino.

Kubalulekile ukukhumbula ukuthi umlilo ngamunye udinga isicisha-mlilo esihlukile ngokuya ngezimo.

Futhi uma uzosebenzisa isicishamlilo, khumbula nje i-PASS: donsa iphinikhodi, uqondise umlomo noma ipayipi ngaphansi komlilo, cindezela izinga lokusebenza ukuze ukhiphe isicishamlilo futhi ushanele umlomo noma ipayipi ukusuka kolunye uhlangothi kuya kolunye. kuze kucime umlilo.


Isikhathi sokuthumela: Aug-27-2020