In this task, you are given a sentence or phrase in Xhosa. You must translate it to English in a way that is equivalent in terms of meaning and grammatically correct.

Uhlobo lwesixhobo lwesiphekepheke esikhokelayo opho umgangatho wokusindulukisa unika ugqithiso lwesixhobo esisiphekepheke ekhaya kumandla esixhobo ekungabonisi xhoba. Sishunqulelwa ngokuba yi-'SAH'.
A type of radar missile homing where the launch platform provides radar transmissions and the missile homes in on the radar energy reflected off of the target. Abbreviated as 'SAH.'

Elawulekayo sesiqhubi.
Controllable-pitch propellers.

Phakathi kwendlela exineneyo ukudambisa ukungqubana nanina inqanawa zisiziswa kwicala ezinye zitsiba kwicebo elifakiweyo.

In a tideway, to lessen the impact when a ship is brought alongside, some springing device is included.