Alan.es wrote: the amount of sulphur because of the corrosion. the amount of sulphur because it leads to corrosion.

Paraffin is a product which is in much demand. 'proofing of wood'... do you mean as like a protective coating for wood ?

Antonija wrote: Is there such thing as ''engine petrol''? Well petrol is used as a fuel in petrol engines . e.g. motor vehicles. I'm not aware that it has other widespread usage. But are you referring to the different grades of petrol ?

Antonija... I'm not sure how technical you want to be with writing your papers. But I'll just make a suggestion for you to consider. With regards to the freezing of the fuel on jet planes, and at other places where machinery has to functiion

Hi Ruslana... I asked a friend from Finland about your song. Apparently it's a folk song called 'Ievan Polkka'. But listening to it even she couldn't determine the lyrics in your version. It's been altered for some reason or maybe it's to do

Coke is a solid residue of the cracking process. It's carbon percentage by mass is from 87 to 99.5 percent. It is resistant to acids and bases (alkalis) and is not capable of being melted.

The less oil content in the paraffin, the better paraffin it is. or maybe.... The less oil content in the paraffin makes for a better grade of paraffin.

Grammar Geek wrote: Some women use melted wax and then strip it off, pulling the hair with it. Ouch ..!!!

Antonija wrote: I understand it as: advancement of oil processing happened because of the development of the car industry. is this what you had in mind ? advances in the oil processing industry were made in line with the development of

Lube oils......Yes a short name for lubrication/lubricating. Lubrication oils would also include oil for hydraulic machinery.