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.

The VARIATION and DEVIATION combined are known as the COMPASS ERROR, which is defined as the angle between the True Meridian and the compass needle.
Ukuguquguquka nokuphambuka kudibene kubizwa ngokuba sisalatha mbombo sempazamo, echazwa njengokuba yinibombo phakathi kwencopho yesikhanyisi sibhakabhaka eyinyani nenaliti yesalatha mbombo.

They were 45 feet long and could exceed 30 knots with their 250 horsepower petrol engine.
Zaye zingamashumi amane anesihlanu emitsi ubude zinako ukugqitha amashumi amathathu amqhina ngawawo umlinganiselo wamandla enjini yepetroli angamakhulu amabini namashumi amahlanu.

However, if there is a large amount of smoke it may be necessary to leave an outlet open so that it can escape.

Kanjalo ukuba kukho umsi omkhulu kuyimfuneko ukuba ishiywe loo ndawo ivulekile ukuze kubalekwe.