Document ykMgOzoZnon2By4K7paqBpdxD

DC. 69 UITGEftEIK OEUR DIE KAMEft VM 'lYNWESt VAN SUID--AFRFKA 1968 DC. 68 ONE WET MINUTE IATE.R AW STOFFEL, HOW CAN DUST HURT US? IT CAN ------ ----------<#' / AND IT WILL OU MAAT ^\4 DRV STUFF IN THt SCRAPE-R gullv makes dust that CAN DAMAGE VOuR LUNGS ! FOR CRVING OUT `LOUD.1! PLEAbE_ boys KEEP YOUR SCRAPER GULLY WET^f ITS SIMPLE AND ITS SAFER /) J ISSUED BY THE CHAMBER Of MIHES BE SOUTH AFRICA. 1968 DC. 66 ISSUED BY THE CHAMBER OF MINES OF SOUTH AFRICA YL'-w 1968