metal
shelters are made of metal and plastic and you get a curved metal panel and join them together to make the roof and the sides of the shelter
Re-enforced concrete
Smoking shelters were first used many years ago, but are more widely used today due to smoking bans etc.
During World War II, shelters were commonly made from various materials depending on their type and location. Anderson shelters, for example, were constructed from corrugated steel and were designed for use in backyards, while Morrison shelters, intended for use indoors, were made from steel and reinforced concrete. In urban areas, air raid shelters were often built using brick, concrete, or other sturdy materials to withstand bomb blasts. The choice of material aimed to provide maximum protection against aerial attacks.
They were usually made of clay.
Morrison shelters were made of iron.
Anderson shelters were made of corrugated iron and Morrison shelters were made from steel panels.
Morrison shelters were made from sheets of steel.
5,000 flood shelters were made in Bangladesh
bomb shelters were made out of corigated iron with mud and grass covering it.
a human society
They were made out of iron mettle
pachacuti
yes ..
They were made mainly of stone.
innovation of shelters is ROM the begining. The first shelters ever lived by people among us that has died long before we were born, is trees. They belived that trees can keep them safe but there is a lot of disadvantage about living in trees.