Spirt lampasini yoqishga tayyor lash
səhifə 6/20 tarix 02.01.2022 ölçüsü 0,57 Mb. #38184
7-SINF AMALIY ISH 2019-2020
2. Spirt lampasini yoqishga tayyor lash.
Spirt lampasi yaroqli ekanligiga ishonch
hosil qilinadi.
Spirt lampasi idishining 1/2 qis mi ga qadar
voronka yordamida ehtiyot korlik bilan spirt
quyiladi.
Disksimon metall nayga ipli pilik o‘rnatiladi, pilik uchini qaychi
bilan qirqib tekislanadi va spirt bilan ho‘llanadi.
Spirt lampasining qalpoqchasi berkitiladi. Spirt lampasi doimo
qalpoq chasi bilan berkitilgan holda tu rishi kerakligini unutmang!
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