The beast above is a robotic system intended to be operated remotely in hazardous areas where network infrastructure is scarce. The robot is controlled over a WiFi network that originates on the robot and is extended by dropping the black repeater units on its back. I and seven other computer...
Conical metal roof for round building - has trapezoidal sheets extending from eaves to apex with edges joined by interlocking L=shaped and U=shaped flangesThe conical metallic roof is used on buildings of a circular or polygonal plan, comprising a number of identical trapezoidal sheets which ...