Please capitalize where necessary: possibly danish, c. 1720.
A: Possibly Danish, c. 1720.

Please capitalize where necessary: gear housing, bottom and top in solid cast steel, hardened shafts and piston rods, gripper cassette that can be retrofitted and and central lubrication as option.
A: Gear housing, bottom and top in solid cast steel, hardened shafts and piston rods, gripper cassette that can be retrofitted and and central lubrication as option.

Please capitalize where necessary: like many girls, and boys like to dress as beautiful to look more presentable...
A: Like many girls, and boys like to dress as beautiful to look more presentable...

Please capitalize where necessary: (this compound is also sometimes called magnesium alba.)
A:
(This compound is also sometimes called magnesium alba.)