Please capitalize where necessary: at least use mild soap to wash your hands and face.
A: At least use mild soap to wash your hands and face.

Please capitalize where necessary: if you destroy a termitary you find firstly a tough resistant skin all around it.
A: If you destroy a termitary you find firstly a tough resistant skin all around it.

Please capitalize where necessary: at noon dominates partly sunny weather. in the afternoon it will become variable with isolated rain showers.
A: At noon dominates partly sunny weather. In the afternoon it will become variable with isolated rain showers.

Please capitalize where necessary: it had various instruments such as a 4 metre wall quadrant made from copper and an azimuth quadrant which was the invention of al-tusi himself. al-tusi also designed other instruments for the observatory which was far more than a centre for astronomy.
A:
It had various instruments such as a 4 metre wall quadrant made from copper and an azimuth quadrant which was the invention of Al-Tusi himself. Al-Tusi also designed other instruments for the Observatory which was far more than a centre for astronomy.