Damage to the mainsail by abrasion on the shrouds and spreader ends, on courses off the wind, can be prevented by keeping the boom absolutely immobile.
Umenakalo kwiseyile enkulu ngikurhuzuka kwintambo ezibamba imasti nakwiziphela zespreaders, kwindlela ezingekhe meyeni zinga thinrtelwa ngeku bamba intsika egcinci iseyile ivulekile ingabinakushukuma tu.