<prompt> Translate the following text to EnglishKampuni hizi zilifanya alama yao kuuza bidhaa thabiti kama vile mashati ya kitambaa cha chamois na buti za uwanja ambazo ni rahisi kuweka hifadhi kwa sababu mahitaji yao ni thabiti kutoka mwaka hadi mwaka.  <response>: These companies made their mark selling sturdy commodities like chamois cloth shirts and field boots that are easy to keep in stock because the demand for them is stable from year to year. 