adjustable head clamp的用法和样例：
- The adjustable head harness located on the outside of the hood is directly attached to the nose cup.
- "Along have China the socialism road of special features to stand down go to", flank signpost:"Here adjustable head".
- Position face mask or nasal mask tightly and adjust head strap until seal is maintained and client is able to tolerate.
- Swivelling and tilting head clamps pieces of wood to give many applications in the workshop, at home and on-site.