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.
Roof cleaning contractors who use sodium hypochlorite (chlorine bleach) mix it in high concentrations with other chemicals such as trisodium phosphate, also known as TSP. They spray it on the roof and wait for it to dry and then re-apply it several times as needed. Stains and moss or lichens that donât come off on the day of treatment may eventually come off with rain in the months to come.