I don't know what "old coal based" means, but I assume you are asking about an iron for flattening the fibers in clothing. In which case, yes it is a compound machine, in that it makes the work we put into the chore more efficient or effective, even though some types of irons don't have moving parts.
aluminium, coal, iron and copper
coal
just wrap a permanent magnet with two layers of cloth at one pole and hold it close to the mixture...the pieces of iron will be easily lifted, therefore seperating them.
fuel
The profile of the iron filings reflects that of the magnetic field. When the magnetic field is strong, the lines will be really tight (small separation) and thick (height and width). =========================
Cloth, Iron, rail lines coal
midrex technology for gas based DRI for coal based
coal and iron coal was found out to be used for machines instead of using water and if you used water you had to have a factory by a river so cola was the answer iron was used to make the machine but poeple converted it into steel and cheaper and stronger metal
iron cloth
oil coal iron and copper oil coal iron and copper
Yes it can
Iron and coal.
iron
2 coals and one iron
The major industries in Poland are coal mining, iron and steel production and machine building. Poland has textile/glass production and food processing industries also.
iron cloth
iron cloth