In the steel industry, the term HSS stands for hollow structural sections. According to Halin Pipe Corporation, HSS is a type of metal profile with a hollow tubular cross-section. Most HSS are of circular or rectangular sections.However, other shapes are available, such as elliptical.SS is a cold-formed, welded steel tube used for welded or bolted building construction, bridges and other structures and manufactured products. It is made in square, rectangular and round shapes.
On April 28, 1967, with the United States at war in Vietnam, Ali refused to be inducted into the armed forces, saying âI ainât got no quarrel with those Vietcong.â On June 20, 1967, Ali was convicted of draft evasion, sentenced to five years in prison, fined $10,000 and banned from boxing for three years.
Mid 1960 --When the first units of the NLF clashed with police and military forces (ARVN) capturing many of the US weapons in the building. Prior to this the NLF were using weapons from WW-2 and the First Indochina War. February 1961 -- the date the US military prefers to use because of the death of the first US serviceman in Vietnam. In fact seven other US servicemen had been killed in Vietnam between 1957 and 1961. As for the end date of the Second Indochina War. Many will say April 30, 1975 when the PAV and NLF took Saigon.