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Meanings of difficult words from the poem "The Secret of the Machines":
 
S.No
Words
Meaning
1
Ore-bedA sequence of rocks with minerals
2
MineA deep passage underground with minerals
3
FurnaceAn enclosed fire and heat system to melt metals
4
WroughtTo do something with physical efforts
5
HammeredTo hit with a hammer
6
FiledTo rub off a fragment of metal from minerals
7
GaugedDetermining the thickness of the sheet metal
8
CoalA black mineral that is dug from underneath
9
ThousandthA fraction of a thousand
10
HaulPull or drag with effort or force
11
PloughTo turn over the soil using a tractor
12
WeaveTo make cloths using threads
13
DiveThe act of jumping from a height
14
ComprehendTo understand well
15
VanishDisappear suddenly and completely
16
PityTo feel sorry for someone