I haven't the proper materials to make a rubbing, and there's too much on the tablet to simply write it down.
An atomic weapon is nothing more than a critical mass of the proper radioactive materials.
Other architects had to deal with a lack of proper materials, such as iron.
Materials methods include selecting the proper material for the application.
The crew had the proper materials, now; enough for a start at least.
A new guard post was also supposed to have been built, and the proper materials were allocated for this purpose.
I am astonished that these people could actually create art even though they lacked both the proper materials and a choice of subjects.
Some day I'll arrive with proper materials and pay you back.
"In the first place I must find the proper materials."
Without the means to buy proper material, these sculptures are made of plaster and decorated with paint.