The Siege of Tyre by Alexander the Great was in 332 BC.
View page
Yes, Alexander did allow slavery. While the city of Tyre was
under siege, Alexander sold the women and children into
slavery.
View page
In the manufacturing process a tyre is constructed out of raw
uncured rubber. After the tyre has been constructed, but before the
tyre goes into the mould for the curing process, we call that a
green tyre.
View page
Tyre Wear indicators are present on the tyre sidewall. They help in knowing the tread depth of the tyre. They indicate the degree of tyre wear. If the tread depth is less than 1.6mm, then the tyres become unsafe to drive.