The phrase "a very low grade" is correct and usable in written English.
It can be used when discussing academic performance or evaluations, indicating a score that is significantly below average.
Example: "After reviewing my exam results, I was disappointed to see that I received a very low grade in mathematics."
Alternatives: "a poor score" or "a failing mark".
"And certainly if they were being recycled, it was to a very low grade and not within this country.
In this study, reverse flotation was applied to recover phosphate from a very low grade (5.01% of P2O5) sedimentary ore.
In addition, all outcomes reported in these studies received a very low GRADE rating, and many received an unclear overall risk-of-bias rating due to limited reporting of methodological details for one or more criteria.
A high risk of bias due to limitations in the study design was the main reason why the study achieved a very low GRADE score.> To our knowledge this is the first systematic review with the purpose of summarizing studies measuring the effectiveness of telemedicine follow-up care of patients with leg and foot ulcers.
It is of a very low grade and will be very cheap.
(316L steel is a very low grade of steel. When looking for jewelry, look for 316LVM. Surgical Steel does not mean implant grade, and should be avoided).
"Packaging polyurethane, which is a very low-grade inexpensive material, there is no fire rating in the world for that.
Hydrothermal alteration associated with fault-related fluid flow is characterized by a very low-grade association consisting of chlorite, epidote, albite, quartz and calcite.
"They started out with a very low-grade plant, rolled it up with stems and seeds, and then freeze-dried it so that they probably ruined any of the THC crystals.
Not only are there few role models, but there are gender schemas that constantly, and in a very low-grade way, tell women that they don't belong (the classic example is not offering T-shirts in women's sizes, but it's everything from people looking surprised when you tell them what you do to other people asking your boyfriend for math help, even though you're better at math).
The town boomed in 1925 due to the slick efforts of a promoter who controlled a very low-grade deposit of lead ore.
