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

[Q]: If you move the lead aft, you reduce the pull on the leech.
[A]: Ukuba ngaba uhamhisa ilethe esemva, uhlisa utsalo kwileech.

[Q]: When the angle of the brow necessitates the use of blocks or steps, they should be fitted with improvised stanchions.
[A]: Nanina i-engile yongqameko yenza into ethile ibe yimfuneko kusetyenziswe isiqobo/ isivingco okanye inyathelo ,kufuneka zilinganisiwe nokuqamba nentsika.

[Q]: A group of waves moves at only half the speed of the individual waves forming the group.
[A]:
Iqela lamaza elishenxa nakweyiphi ihafu yesantya eyahlulwa kanye kumaza okhiwe ngokweqela.