Summary
Highlights
A portable band saw is used to efficiently cut threaded rod. Horizontal lines in an isometric view are drawn at a 30-degree angle from true horizontal.
Interpreting a blueprint with a 1/8-inch scale means 1/8 inch equals 1 foot. A hot water pipe is reflected by a bold line with two dashes. Riser diagrams can be illustrated using either a side view or an isometric view.
A plain view in a blueprint is a view from above looking down. An isometric drafting triangle can create various drawing elements. The four common types of copper pipe are identified as M, L, K, and DWV.
Information regarding a ball valve's functions is provided in the video. LFL stands for 'lower flammable limit'. The maximum concentration a worker can be exposed to is known as their individual tolerance level.
The safe oxygen level in a confined space is between 18.5% and 23.5%. An extension ladder must extend at least 3 feet above a roof.
Excavated soils should not be placed closer than 2 feet from the edge of a trench. OSHA stands for Occupational Safety and Health Administration.
PPE means Personal Protective Equipment. The most severe burn is classified as third-degree.
MSDS stands for Material Safety Data Sheet. The person responsible for monitoring a permit-required confined space is called a monitor.
A small level used by plumbers is known as a torpedo level.