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Discover LudwigThe phrase "are two main materials" is correct and usable in written English.
It can be used when discussing or identifying the primary components or substances involved in a particular context, such as a project, product, or study.
Example: "In this construction project, the two main materials are steel and concrete."
Alternatives: "consist of two primary materials" or "include two key materials".
Exact(2)
There are two main materials used for liming; limestone, which is relatively pure CaCO3 with less than 1percentt MgO, and dolomite, a CaCO3 and MgCO3 mixture containing over 15percentt MgO.
There are two main materials from which you can make your studs: steel or wood.
Similar(58)
The observation and comparison of the marker material distribution on different cross-sections of butt-weld specimens revealed that there were two main material flow patterns in stir zone of 2024-T4 alloynium alloy butt welds in UVeFSW, i.e., the continuous flow (upper one third of weld) and the non-continuous flow (lower two thirds of weld).
Generally speaking, there are two main types of materials displaying spin-dependent scattering multilayers and nanogranular systems [1].
There are two main categories of materials available for production of a stent that will degrade with time.
There are two main classes of microporous materials widely used in industry: crystalline zeolites (aluminosilicates) and activated carbons.
In-depth thermal responses and surface recession of charring materials are two main performances of the thermal protection system in reentry vehicles subjected to aerodynamic heating.
The surface reflection ratio of the optical elements and the absorption ratio of the optical materials are two main factors to impact the transmittivity for the two kinds of incident light, and the polarization direction of the incident light is also an important factor for the polarized light.
There are two main factors to the marketing material surrounding your software that will influence users before they interact with the app itself: copywriting and visuals.
The magnetocrystalline anisotropy and shape anisotropy are two main anisotropy energies existed in magnetic materials, which can induce different coercivity.
There are two main ones.
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