Poverty is the main cause of hunger in the world. This is true in rich and poor countries alike. It is true no matter whether people live in urban or rural areas. Most people who are hungry are living in extreme poverty, defined as income of $1.25 per day or less. The largest group of people in the world in extreme poverty are smallholder farmers in developing countries.
1 Many of the houses had OSB sheathing Material, usually plywood or oriented strand board (OSB), but sometimes wooden boards, installed on the exterior of wall studs, rafters, or roof trusses; siding or roofing installed on the sheathingâsometimes over strapping to create a rainscreen.
The following are extra members which may be used on large roofs: 1  COLLAR: ties the roof together at purlin level. 2  CEILING BINDERS and HANGERS: support long span ceiling joists. 3  POLE PLATES: similar to purlins but used where ceiling joists are above wall plate level.