In this task, we ask you to rewrite a sentence in simple English without changing its general meaning. Essentially, you want to make the sentence easier to read by using simpler words, utilizing more straightforward sentence structures, and omitting non-essential information etc.

Ex Input:
A mercury-arc valve or mercury-vapor rectifier or ( UK ) mercury-arc rectifier is a type of electrical rectifier used for converting high-voltage or high-current alternating current ( AC ) into direct current ( DC ) .

Ex Output:
A Mercury-arc rectifier is a type of rectifier used for converting alternating current ( AC ) to direct current ( DC ) .

Ex Input:
Concealed carry ( carrying a concealed weapon ( CCW ) ) refers to the practice of carrying a handgun or other weapon in public in a concealed or hidden manner , either on one 's person or in close proximity .

Ex Output:
Carrying a concealed weapon ( CCW ) is the practice of carrying a handgun out of sight , hidden somewhere on a person 's body .

Ex Input:
Aligned with and often used in the architecture of Islamic civilations spanning the 7th century-20th century , geometric patterns were used to visually connect spirituality with science and art , both of which were key to Islamic thought of the time .

Ex Output:
Geometric patterns were often used in the architecture of Islamic civilisations from the 7th century-20th century , to visually connect spirituality with science and art .