| 41. | Tourism is now the mainstay of the island's economy.
 
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 | 42. | The mainstay continued to be the 1950s song and dance routines.
 
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 | 43. | Fishing was the mainstay of the town in its early years.
 
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 | 44. | The FightStick remains a mainstay of the Mad Catz product line.
 
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 | 45. | Fishing and logging activities have been the mainstay for the community.
 
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 | 46. | He has since become a mainstay of the Canadian cricket team.
 
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 | 47. | Nielsen became a mainstay in the team during the team captain.
 
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 | 48. | Ranching soon became one of the mainstays of the local economy.
 
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 | 49. | With idiopathic or viral pericarditis, NSAID is the mainstay treatment.
 
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 | 50. | Fishing, both recreational, is the mainstay of the economy.
 
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