Uchebnik Po Chercheniju 9 Klass Botvinnikov Smotret Ris 88 I May 2026

: A central vertical hole (often stepped or through-hole) and additional horizontal slots or grooves.

In the standard by A.D. Botvinnikov, V.N. Vinogradov, and I.S. Vyshnepolsky, Figure 88 (and specifically variation "и" ) is part of a complex exercise focused on reading and analyzing detailed drawings . Context of Figure 88

: Mentally "cutting" the object to visualize its interior and then selecting or drawing the correct sectional view. Description of Figure 88 "и"