The occupational physical activities include monotonous motions and great forces such as kneeling, squatting on joints,[18],[19],[20],[21],[22],[23],[24],[25] climbing,[26] and heavy weight lifting.
Jh. den „d“ a gëtt Oilingen[21][22], Olingen[23][24], Oelingen[25], Olyngen[26] an Ollingen[27], fir da vum 18.