A bubble level indicates whether a surface is level, (horizontal) or not. Shown here, (from above), is a level whose top surface is slightly curved. It is partially filled with a liquid, leaving a visible bubble. When the level is placed on a horizontal surface the bubble is centered between markings.
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Details
Creative#:
TOP22291920
Source:
達志影像
Authorization Type:
RM
Release Information:
須由TPG 完整授權
Model Release:
N/A
Property Release:
No
Right to Privacy:
No
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