A Calgary-based company is joining up with a Winnipeg company to manufacture what they believe is the country's first 100 per cent compostable personal protective equipment (PPE)— although they're still in the process of getting it accepted at Canadian composting facilities. Calgary-based Roswell Downhole Technologies Inc., has been acquired by Precision ADM, a medical device company and global engineering and manufacturing solutions provider based in Winnipeg, the companies announced last week.