Poor – and even unethical – practices, such as the unfair use of zero hours contracts, can lead to poor morale, high staff turnover and, in some cases, can be dangerous and exploitative.
Gall arferion gwael – ac anfoesegol hyd yn oed – fel defnydd annheg o gontractau dim oriau, arwain at forâl isel a throsiant staff uchel.