Vietnam or Thailand ? Vote for the TOP Country of the Week !
Updated: May 18, 2025
As an example of heavy pressure work under favorable conditions as to ventilation, without very bad effects on the men, Messrs. Sooysmith & Company had an experience with a work on which men were engaged in six-hour shifts, separated into two parts by half-hour intervals for lunch. This work was excavation in open, seamy rock, carried on for several weeks under about 45 pounds pressure.
Word Of The Day
Others Looking