Explanation:: The work of designing and creating large structures (like roads and bridges) or new products or systems by utilizing scientific methods.
 # Remaining Guess: 3
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 Choose A Letter:
A 
B 
C 
D 
E 
F 
G 
H 
I 
J 
K 
L 
M 
N 
O 
P 
Q 
R 
S 
T 
U 
V 
W 
X 
Y 
Z