Does anyone know where i can find installers of door viewer (the little hole for viewing outside). Please let me know. I have a wooden door that i want to make a door viewer.
Hi, can anyone please recommend me a QP or PE (Engineer)? I live in Sengkang and I want to replace my full height window. However during my application, the HDB told me I need to engage a PE (or QP) and I need to submit their drawings. Can anyone please recommend me? Thank you so much!! =)