What Does pelat timbal anti radiasi Mean?
Jarak masing-masing cross bar ini teratur sehingga nampak serasi dan menimbulkan ketahanan yang luar biasa. Semakin sempit jaraknya, ketahan steel grating tersebut terhadap tekanan akan semakin kuat.If a gas line is operate across the roof of the setting up, it will be subject to thermal hundreds due to heating and cooling that occurs among working