surface of revolution of tractrix
spiral surface of flute
arbitrary stream surface of revolution
arbitrary surface of revolution
double curved surface of revolution
Drawing of surface of action
parallels of a surface of revolution
Repair of surface of wound
Notice of Revocation of Appointment of Agent
Automatic detectting and adjusting for path of screw
brass screw with flat head
brass screw with round head
brass screw with square head
British Association of Screw Gauge
connection with screw sleeve
conventional representation of screw threads