Changing flat roof to slope roof

diagonal ridge for hip roof，vertical ridge for gable roof

flat- roof-to- slope-roof

flat-roof-to-slope-roof

flat-roof-to-sloping roof

roof pressure roof weight

roof prism (=roof-angle prism)

a loose fish

Analysis of loose materials

Anti-loose

Asbestos paper of loose solution

at a loose end

at loose ends

Avalanche of loose snow

bags loose

barrel lid loose

blasting loose

bolt loose

break loose