Most common problems encountered during installation:

• Untrained technicians
• Unknown equipment
• Changed conditions from planning state
• Bad quality, obsolete or wrong equipment, manuals in wrong language
• Cultural understandings / misunderstandings
• Mixture of international standards
• Environmental conditions
• Legal aspects / permits etc
• Norms and concepts
• Technical workmanship & supervision
• Managerial aspects (financial planning and financial constrains of institutions)

BBM criteria for appropriate technology:

• Does the new technique makes sense and is it needed (efficiency / effectiveness)?
• Is it affordable in purchase and maintenance?
• Can local staff install and operate it?
• Is long-term availability and are spare parts guaranteed?
• Is local maintenance and repair possible?
• Does it withstand environmental conditions and external influences?
• Does it use renewable local resources and benefits?
• Is it produced locally or as near as possible?
• Does it strengthen the role of women in the society?
• Is it good for health and the environment?

termite attack

temperatures in South Sudan

insect attack