Beyond a correlation between points and hunting, between scrapers and hideworking, very little.
The cleaning mechanism, which consists of eight muzzles, a brush, a scraper, a water pump and a sewage-withdrawing mechanism, is installed below the robot.
Metal scrapers were also used to remove hard tar deposits from wood or log fire smoke.
Such a device, the constant-depth film fermenter employs a mechanical scraper bar and has been developed to investigate the growth of dental plaque organisms.
This is in contrast to the scraper problem of figure 1(a), for which all streamlines extend to infinity.
If one could successfully do that, then one has an engineering design theory about scrapers.
In his right hand he carried a walrus-spear as representing a man, and in his left a skin scraper to indicate a woman.
Since scrapers were probably used for multiple purposes, perhaps including fiber production, evidence of surplus maguey food or beverage production in the workshop is not definitive.
