Mechanism of a wooden sliding window

Corner between two double-layer plasterboard walls

Escalator handrail

Corner of a metal-clad facade

Aluminum structure of a plasterboard roof

Concrete cladding: section, elevation and tiles details

Fat collector plans and details

Folding window with 3 leaves

Manual sliding door: section, plan, and elevation

Emergency and normal position of a revolving door

Friction pile foundation

Reinforcement of an end-bearing pile