Please capitalize where necessary: screen 3 mm hardened glass
A: Screen 3 mm hardened glass

Please capitalize where necessary: in addition it has a beautiful view to the sagrada familia from the balcony.
A: In addition it has a beautiful view to the Sagrada Familia from the balcony.

Please capitalize where necessary: we have been very happy with our cooperation with sampedro©️. he listened and there has been good sparring.
A: We have been very happy with our cooperation with Sampedro©️. He listened and there has been good sparring.

Please capitalize where necessary: one of his most important contributions to mathematics was editing the collected works of euler . rudio proposed the project in 1883 since this was the centenary of euler 's death.
A:
One of his most important contributions to mathematics was editing the collected works of Euler . Rudio proposed the project in 1883 since this was the centenary of Euler 's death.