the first ROV was developed in 1953
British
fire
The Romans were the first to use concrete.
The first tractors were steam powered vehicles in the 1860s.
In order to give advice on troubleshooting a fireplug, a question must be posed asking exactly what troubleshooting advice is needed
15 feet
15 feet
Within 15 feet
I have a used one if you are still interested
when were the first canoes developed
The Phoenicians developed the first alphabet
The first robots were developed in Japan.
the first ROV was developed in 1953
who developed the first soft ware and how
Germany developed the first Zeppelin
which is the first country developed hydroelectricity