Text: the metal multi-purpose spray gun lies well in the hand.

Correct capitalization: The Metal Multi-Purpose Spray Gun lies well in the hand.

Text: keep a backup of precious video files on computer and update it on regularly basis

Correct capitalization: Keep a backup of precious video files on computer and update it on regularly basis

Text: 7 and joseph brought in jacob his father, and set him before pharaoh: and jacob blessed pharaoh. 8 and pharaoh said unto jacob, how many are the days of the years of thy life? 9 and jacob said unto pharaoh, the days of the years of my pilgrimage are an hundred and thirty years: few and evil have been the days of the years of my life, and they have not attained unto the days of the years of the life of my fathers in the days of their pilgrimage.

Correct capitalization: 7 And Joseph brought in Jacob his father, and set him before Pharaoh: and Jacob blessed Pharaoh. 8 And Pharaoh said unto Jacob, How many are the days of the years of thy life? 9 And Jacob said unto Pharaoh, The days of the years of my pilgrimage are an hundred and thirty years: few and evil have been the days of the years of my life, and they have not attained unto the days of the years of the life of my fathers in the days of their pilgrimage.

Text: prevent back pains by exercising with a kettler back machine.

Correct capitalization:
Prevent back pains by exercising with a Kettler back machine.