Russia copied British jet engines to make engines for MIG-15s.
The Russians can copy drill bits.
The mig 15 dates to the 1950s.
the United Kingdom sold dozens of Nenes to Russia in 1946 and 1947
You are bring out the fact that 70 years ago they copied something as evidence of what they can do today? Well you are sadly wrong, as evidenced by the charred remains of Russian designed tanks, planes and helicopters in Ukraine