It is a modified version of the Van Veen grab sampler , with a clamshell bucket made out of stainless steel mounted to a supporting frame .
The Young Grab , or the Young Modified Van Veen Grab Sampler is an instrument to sample sediment in the ocean .
Young Grab is a modified version of the Van Veen grab instrument , with a clamshell bucket made out of stainless steel mounted to a supporting frame .
The Young Grab , or the Young Modified Van Veen Grab Sampler is an instrument to sample sediment in the ocean .