... and canal. Unable to bear external mechanical pulling force and pressure during laid. (ZR)YJV22 or (ZR)YJY23 (ZR)YJLV22 or ... laying in shaft, water under ground and large difference of level, able to bear mechanical pressure and moderate pulling force. (ZR)YJLV42 ... For laying in the water, seabed and large difference of level, able to bear large mechanical pressure and pulling force. KINDS OF CABLE