Bottom layer of a tank, e.g. sand, gravel.
The first hint to crack the puzzle «Bottom layer of a tank, e.g. sand, gravel.» is:
It is a word which contains 9 letters
The second hint to crack the puzzle «Bottom layer of a tank, e.g. sand, gravel.» is:
It starts with letter S
S
The third hint to crack the puzzle «Bottom layer of a tank, e.g. sand, gravel.» is:
It ends with letter E
S
e
Looking for extra hints for the puzzle «Bottom layer of a tank, e.g. sand, gravel.»:
Click on any empty tile to reveal a letter
S
e
The answer for the puzzle «Bottom layer of a tank, e.g. sand, gravel.» is:
S
u
b
s
t
r
a
t
e