Kitchen sink can
——Install from above, the edge of the basin is embedded on the countertop.
——Installed from above, completely flush with the countertop, the basin edge does not need to be embedded on the countertop.
——Install from below and stick under the countertop.
——Embed from below, at the same level as the countertop.
——It is placed half or completely on the countertop, like a sink underneath.
