They can withstand extensive heat, and chemical reactions that modify chemical and physical properties can take place at room temperature.
(They; can withstand; extensive heat) (chemical reactions; modify; chemical and physical properties) (chemical reactions that modify chemical and physical properties; can take; place; T:at room temperature)
They chemical reactions chemical reactions that modify chemical and physical properties
can withstand modify can take
extensive heat
chemical and physical properties
place T:at room temperature