I read the bookyou gave me last month​

I read the book THAT/WHICH you gave me last month.

I’d say platform as a service (paas) or application platform as a service (apaas) or platform base service is a category of cloud computing services that provides a platform allowing customers to develop, run, and manage applications without the complexity of building and maintaining the infrastructure typically associated with developing and launching an app.

Metal is a great electrically conductive material