A liquid petroleum product less volatile than gasoline, used as an energy source. Fuel oil includes distillate fuel oil (No. 1, No. 2, and No. 4), and residual fuel oil (No. 5 and No.6).
Hydrocarbon liquid commonly drilled from sedimentary layers packed with marine matter left over from the Carboniferous days. Its dark, spellbinding, "oildorado" properties include ...
To lubricate clocks effectively is one of the horologist's greatest problems. In the past, mixtures of animal and vegetable oils were used. Great care is necessary in refining ...
A soft coal that is considered better than lignite but worst than anthracite. It's about 60-80% carbon with the rest being water, air, hydrogen, and sulfur.
Реч "арханђео" потиче од грчке αρχαγγελος (арцхангелос), што значи главни анђео, превод хебрејског רב-מלאך (РАВ-мал'акх). Потиче од грчке Арцхо, што ...