Select uses of oil.
*lubrication for machine parts
*telegraph systems
<...
![History](/tpl/images/cats/istoriya.png)
History, 06.10.2019 20:00, Gearyjames8
Select uses of oil.
*lubrication for machine parts
*telegraph systems
*kerosene for lamps
![answer](/tpl/images/cats/otvet.png)
Answers: 2
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Mathematics, 06.06.2020 21:02