Yes. The point is that you should not be lifting kerbs in the majority of circumstances. This is a risky task due to the heavy weight of traditional kerbs, the repetitive nature of the process of and the poor posture the work involves. Firstly, at the design stage you should decide whether kerbing is necessary. There are alternatives to the traditional laying of kerbs that you can consider using plastic kerbs, hollow kerbs, or slipform kerbs instead,and precautions such as mechanisation of lifting, shorter lengths and finally handling aids
[Handling kerbs: Reducing the risks of musculoskeletal disorders (MSDs) ](http://www.hse.gov.uk/pubns/cis57.pdf) Remember that kerb laying may also involve other health risks including; hand arm vibration, dust, noise.