-
-
a mask used to stop the affect of types of gas
-
Penicillin was one of the first parts of modern medicine
-
a container for carrying large amounts of fuel
-
The nuclear bomb was a bomb that was made by splitting atoms
-
a type of rubber that is synthetic
-
a device for detecting vehicle using radio waves
-
a machine for decoding messages.
-
a vehicle that can fly and hover with rotor blades
-
a type of vehicle that can go underwater fro extended amounts of time
-
a thing that is put in planes to stop pilots from losing oxygen the higher they fly
-
a type of rocket
-